Organic Chemistry II CHEM 2211
|
|
- Myron Warner
- 5 years ago
- Views:
Transcription
1 Organic Chemistry II CEM 2211 Dr. Xiaodong Michael Shi TR, 6:30 pm--7:45 pm
2 Topic I. Structure and Bonding O N N O O O O F Atorvastatin (Lipitor): best selling drug in the world (> $13 billion per year)
3 Topic I. Structure and Bonding Carbon Group #: 4A Atomic #: 6 Element symbol: C Elemental name: carbon Atomic weight: Electron distribution: 1s 2 2s 2 2p 2 Carbon: the most important element to life! Blood: various minute by minute Bone: 0.8% Tissue: 67% Total amount in body: 16 kg
4 Topic I. Structure and Bonding Only carbon forms strong single bond to itself that are stable enough to resist chemical attack under ambient conditions
5 Topic I. Structure and Bonding q Bonding: the joining of two atoms in stable arrangement. Lewis Structures Bond Length Bond Angle Geometry Formal Charge And
6 Topic I. Structure and Bonding q Formal Charge Knowing the following key #: Valence electrons: Electron ownership:
7 Topic I. Structure and Bonding q Formal Charge Knowing the following key #: Valence electrons: Electron ownership: Electron ownership: Unshared electrons + ½ of shared electrons Formal charge = # of valence electron electron owns
8 Topic I. Structure and Bonding q Formal Charge O C 3 O C 3 O C 2
9 Topic I. Structure and Bonding q Formal Charge NO 2
10 Topic I. Structure and Bonding q Octet rule O 3 C Me ε= 21 O S ε= 47
11 Topic I. Structure and Bonding q Degree of Unsaturation DOU = Σ(v-2) = #C x 2 - # - #X + #N +2 2
12 Topic I. Structure and Bonding q Degree of Unsaturation DOU = Σ(v-2) = #C x 2 - # - #X + #N +2 2 C 7 12 O 2 C 6 5 NO 2
13 Topic I. Structure and Bonding q Degree of Unsaturation DOU = Σ(v-2) = #C x 2 - # - #X + #N +2 2 C 6 5 NO 2
14 Topic I. Structure and Bonding q Resonance: Re-allocation of electrons n Single resonance structure does not represent the structure of a molecules, only the hybrid/combination does. n Resonance structures are not in equilibrium. They are the different formats of a same molecule. n Resonance structure are not isomers. NO 2
15 Topic I. Structure and Bonding q Resonance: Re-allocation of electrons
16 Topic I. Structure and Bonding q Bond length F 0.92 C-F 1.33 C Cl 1.27 C-Cl 1.77
17 Topic I. Structure and Bonding Bond strength and bond length (C-C) Bond length (Å) strength (kcal/mol) C 3 -C C 2 =C CΞC
18 Topic I. Structure and Bonding Bond Angle Linear 180 o Trigonal planar 120 o Tetrahedral o
19 Topic I. Structure and Bonding Bond Angle Linear 180 o Trigonal planar 120 o Tetrahedral o
20 Bond Angle Topic I. Structure and Bonding
21 Topic I. Structure and Bonding ybridization: SP3, SP2, SP s factor
22 Topic I. Structure and Bonding Bond strength and bond length (C-) Bond length (Å) strength (kcal/mol) C C 2 =C CΞC
23 Topic I. Structure and Bonding Electronic donating and Electron Withdrawing group (EDG vs EWG)
24 Topic I. Structure and Bonding Electronic donating and Electron Withdrawing group (EDG vs EWG)
25 Topic II. Curved arrow electron pushing Curved arrow notation for electron moving
26 Topic II. Curved arrow electron pushing ow to draw curved arrow notation: Where to start: pair of electrons Where to go: how or something can move
27 Topic II. Curved arrow electron pushing ow to draw curved arrow notation: Where to start and where to go!
28 Topic II. Curved arrow electron pushing ow to draw curved arrow notation: Where to start and where to go!
29 Topic II. Curved arrow electron pushing ow to draw curved arrow notation: Where to start and where to go!
30 Topic II. Curved arrow electron pushing ow to draw curved arrow notation: Where to start and where to go!
31 Topic II. Curved arrow electron pushing ow to draw curved arrow notation: Where to start and where to go! C C + C C 2
32 Topic II. Curved arrow electron pushing ow to draw curved arrow notation: Where to start and where to go!
33 Topic III. Acid and Base Chemistry Acid/Base reaction Keq A + + A -
34 Topic III. Acid and Base Chemistry Acid/Base reaction A 1 A 2 + A 1 - Keq + A 2 -
35 Topic III. Acid and Base Chemistry Acid/Base reaction 3 C O O + Na OMe Keq 3 C O O Na + OMe Q: What is the Keq? What is ΔG?
36 Topic III. Acid and Base Chemistry Acid/Base reaction
37 Topic III. Acid and Base Chemistry Acid strength and pka Resonance effect and inductive effect 3 C O O O 3 C O
38 Topic III. Acid and Base Chemistry Acid strength and pka O O O 3 C C 3 3 C C 3 O O O O O O 3 C C 3 3 C OC 3 3 CO OC 3
39 Topic III. Acid and Base Chemistry Acid strength and pka ybridization effect
40 Isomers Topic IV. Stereochemistry Isomers: different compounds with the same molecular formula Constitutional isomers Stereoisomers Diastereomers Enantiomers
41 Topic IV. Stereochemistry Isomers C 3 C=CC 3
42 Chiral and Achiral Topic IV. Stereochemistry Chiral: a molecule that is not superimposable on its mirror
43 Topic IV. Stereochemistry Chiral and Achiral Cl F Cl F Cl F Cl F
44 Topic IV. Stereochemistry Chiral and Achiral Br Cl F Br Br Cl F Cl F Br Cl F
45 Topic IV. Stereochemistry Stereogenic Center Br Cl F Br Cl F Cl F Br Cl Cl F F
46 Newnam Projection Topic V. Others eclipsed staggered
47 Topic V. Others Chair conformation:
48 Topic V. Others Chair conformation:
49 Topic V. Others Four key types of reactions: SN1 SN2 E1 E2
50 Topic V. Others Oxidation state: C [O] [] C O [O] [] O [O] [] O O [O] [] O C O [O] [] [O] []
Name: CHEM 633/634 Problem Set 1: Review Due Tues, Aug 29, 2017 (First Lecture!)
ame: CEM 633/634 Problem Set 1: Review Due Tues, Aug 29, 2017 (First Lecture!) Please print this problem set. Answers must be in the spaces or boxes provided to receive full credit. You may work in groups,
More informationCHEM 341: Organic Chemistry I at North Dakota State University Midterm Exam 01 - Fri, Feb 10, 2012!! Name:!
CEM 341: rganic Chemistry I at North Dakota State University Midterm Exam 01 - Fri, Feb 10, 2012!! Name:! Please read through each question carefully and answer in the spaces provided. A good strategy
More informationMULTIPLE CHOICE QUESTIONS Stereochemistry
MULTPLE COCE QUESTONS Stereochemistry Topic: dentifications and Comparisons Answers on page 10 1. Which of the following is the enantiomer of the following substance? C 3 C 3 C 3 C 3 A) B) C) D) t does
More informationChapter Bonding. Atoms trying to attain the stable configuration of a noble (inert) gas - often referred to as the octet rule
Chapter 1 1.2-1.3 Bonding Atoms trying to attain the stable configuration of a noble (inert) gas - often referred to as the octet rule 1.2 Ionic Bonding - Electrons Transferred 1.3 Covalent Bonding - Electrons
More informationChem 201 Final. Beauchamp
hem 201 Final Winter, 2018 Beauchamp ame KEY Problems Points redit 1. Functional Group omenclature (1 large structure) 0 2. Lewis tructures, esonance, Formal harge 18. yclohexane onformations, 2 substituents,
More informationCHEM 231 (Davis) Organic Chemistry FINAL EXAM May 15, YOUR NAME (Last, First, M.I.) DISCUSSION SECTION #53 (5 Points)
CHEM 231 (Davis) rganic Chemistry FINAL EXAM May 15, 2006 YUR NAME (Last, First, M.I.) DISCUSSIN SECTIN #53 (5 Points) Initial of last name Instructions Please fill in your name in the space above and
More informationNames. Chiral: A chiral object is not superimposable upon its mirror image. A chiral object contains the property of "handedness.
CEM 241 IN-CLASS #3 MOLECULAR MODELS EXERCISE Names Stereoisomerism Construct a model containing a tetrahedral carbon (black ball) that is attached to four different atoms (use the green, orange, purple
More informationstereoselection view Product 1 with its enantiomer
. ( points) A. Complete the following reactions as directed. (a) Cl C1 C i) major product DBU C C C C C Page 1 ii) Draw a ewman Projection for the conformation of the C1-C bond indicated that specifically
More information"Pip tazo" is a nickname given to a popular combination of antibiotics prescribed for a variety of infections. A.
ame I. (6 points) Page 1 "Pip tazo" is a nickname given to a popular combination of antibiotics prescribed for a variety of infections. (a) ircle all the tetrahedral (chiral) stereocenters in both piperacillin
More informationChemistry 201. MW 12:00pm 1:15pm Examination #2 August 15 th Bronco ID. Question Score Possible Points. 1 (12pts) 2 (24pts) 3 (25pts)
Chemistry 201 MW 12:00pm 1:15pm Examination #2 August 15 th 2016 Name Bronco ID. Question Score Possible Points 1 (12pts) 2 (24pts) 3 (25pts) 4... (12pts) 5 (27pts). Total (100pts) 1. Read each question
More informationO N N. electrons in ring
ame I. ( points) Page 1 A. The compound shown below is a commonly prescribed antifungal drug. It belongs to a category of compounds known as triazoles. Analyze the geometry and other properties for various
More informationCH 235 Fall 2013 Mock Exam 1
C 235 Fall 2013 Mock Exam 1 This is only the mock exam. The actual exam should have approximately 15 multiple choice questions and about 45 short answer questions (or at least that s how she has formatted
More information1. (3 pts) Circle the highest priority substituent of the following list:
Ch 334 Midterm #3 November 17, 2006 Code 1. (3 pts) Circle the highest priority substituent of the following list: 2. (4 pts) Rank the following groups in order of increasing priority. Place the letter
More informationChapter 6. Isomers and Stereochemistry
Chapter 6. Isomers and Stereochemistry Learning objectives: 1. Differentiate chiral and achiral molecules. 2. Recognize and draw structural isomers (constitutional isomers), stereoisomers including enantiomers
More informationFor each of the pairs shown below, choose the statements that can be used to describe the drawings and their relationship, if a relationship exists.
I. ( points) ame Page or each of the pairs shown below, choose the statements that can be used to describe the drawings and their relationship, if a relationship exists. (a) (b) and : "Check" any/all descriptions
More informationCHEMpossible. 261 Exam 1 Review
CHEMpossible 261 Exam 1 Review A. Rank the following carboxylic acids from least acidic to most acidic: B. Draw the line-angle formulas for three acylic (non-cyclic) esters with the molecular formula C
More information2. 2D Lewis structure (large structure with possible formal charge) 20
hem 201 Final Fall, 2017 Beauchamp ame Problems Points redit 1. Functional Group omenclature (1 large structure) 30 2. 2D Lewis structure (large structure with possible formal charge) 20 3. yclohexane
More informationProblems Points Credit
hem 201 Midterm Spring, 2018 Beauchamp ame KEY Problems Points redit 1. Functional Group omenclature (1 large structure) 30 2. esonance, Formal harge, Arrows 18 3. yclohexane onformations, ewman Projections
More informationForm 0 CHE321 Exam 1 9/26/2006
CE321 Exam 1 9/26/2006 Multiple Choice Questions. 60 points 1. Draw the two best contributing structures for methylimidate. To get you started a partial structure is given. C C C Choose the incorrect statement.
More informationSTEREOCHEMISTRY A STUDENT SHOULD BE ABLE TO:
A STUDENT SHOULD BE ABLE TO: STEREOCHEMISTRY 1. Determine the relationship between two given structures (which may be any of the kinds below). Also, define the following terms, and give examples of pairs
More informationOrganic Chemistry. Chemical Bonding and Structure (2)
For updated version, please click on http://ocw.ump.edu.my Organic Chemistry Chemical Bonding and Structure (2) by Dr. Seema Zareen & Dr. Izan Izwan Misnon Faculty of Industrial Science & Technology seema@ump.edu.my
More informationChapter 27: Structure and Bonding
Chapter 27: Structure and Bonding 1 Atomic Orbitals: Wave functions that represent the probability of finding electrons in a specific region of space s, p, d, f orbitals In organic chemistry, need to concentrate
More informationCHEMISTRY 112A FALL 2015 EXAM 1 SEPTEMBER 27, 2016 NAME- WRITE BIG STUDENT ID: SECTION AND/OR GSI IF YOU ARE IN THE LABORATORY COURSE:
CHEMISTRY 112A FALL 2015 EXAM 1 SEPTEMBER 27, 2016 NAME- WRITE BIG STUDENT ID: SECTIN AND/R GSI IF YU ARE IN THE LABRATRY CURSE: You will have 75 minutes in which to work. BE NEAT! Non-legible structure
More information180 C 2 -C 3 bond rotation
I. ( points) Valnoctamides have been used as sedatives and inducers for hypnosis for decades. The most biologically active molecule from this class of compounds is shown. Using ewman projections, analyze
More informationA REVIEW OF GENERAL CHEMISTRY: ELECTRONS, BONDS AND MOLECULAR PROPERTIES
A REVIEW OF GENERAL CEMISTRY: ELECTRONS, BONDS AND MOLECULAR PROPERTIES A STUDENT SOULD BE ABLE TO: 1. Draw Lewis (electron dot and line) structural formulas for simple compounds and ions from molecular
More information1. Multiple Choice Questions (15 points) Please circle the best answer to each question. Lone pairs are generally not shown.
Page 2 Name _ANSWER KEY_ 1. Multiple Choice Questions (15 points) Please circle the best answer to each question. Lone pairs are generally not shown. (i) The formal charges on the nitrogen and oxygen atoms
More information"Pip tazo" is a nickname given to a popular combination of antibiotics prescribed for a variety of infections. A.
ame I. ( points) Page 1 "Pip tazo" is a nickname given to a popular combination of antibiotics prescribed for a variety of infections. A. piperacillin tazobactam (a) ircle all the tetrahedral (chiral)
More informationChapter 5 Stereochemistry. Stereoisomers
Chapter 5 Stereochemistry Stereoisomers Same bonding sequence Different arrangement in space Example: OOC-C=C-COO has two geometric (cis-trans) isomers: COO COO COO COO Stereochemistry Slide 5-2 1 Chirality
More informationHO C. Explain briefly (in one or two short sentences) the meaning of the following basic stereochemical terms.
Chem 232 D. J. Wardrop wardropd@uic.edu Problem et 3 Answers Question 1. Four compounds, each having the molecular formula C 3 5, have the I spectra summarized below. What are their structures? a. ne sharp
More informationStereochemistry. 3-dimensional Aspects of Tetrahedral Atoms
Stereochemistry 3-dimensional Aspects of Tetrahedral Atoms Chiral Entire molecules or simply atoms that do not possess a plane of symmetry are called chiral. Conversely, the term achiral is applied to
More informationName: Period: Date: What Is VSEPR? Now explore the Compare Two Structures link. Try changing the display to explore different combinations.
Name: Period: Date: What Is VSEPR? Exploring The Valence Shell Electron Pair Repulsion (VSEPR) model. Go to the Purdue University website to explore VSEPR theory. http://www.chem.purdue.edu/gchelp/vsepr/structur2.html
More informationPLEASE DO NOT WRITE ON THE EXAM (EVEN YOUR NAME) UNTIL TOLD TO START! Student ID # CHEM 8A, Organic Chemistry EXAM 1 (300 points)
PLEASE D T WRITE TE EXAM (EVE YUR AME) UTIL TLD T START! UCSC, Binder ame Student ID # CEM 8A, rganic Chemistry EXAM (300 points) In each of the following problems, use your knowledge of organic chemistry
More informationNAME: SPRING 2015 MIDTERM
page 1 pts NAME: SPRING 2015 MIDTERM hemistry 231 Professor: Dr. Gergens take-home portion (DUE at the beginning of the period, 4/6) Do your best on this take-home portion of your mid-term. I may grade
More informationI. (42 points) (a) Label the indicated sites (circles and oval box) with the appropriate stereochemical designation.
I. ( points) ame Page A. etamethasone is a powerful anti-inflammatory drug that comes with unfortunate immunosupressive properties. It is often prescribed as a topical cream that can be used to alleviate
More informationExam Analysis: Organic Chemistry, Midterm 1
Exam Analysis: Organic Chemistry, Midterm 1 1) TEST BREAK DOWN: There are three independent topics covered in the first midterm, which are hybridization, structure and isomerism, and resonance. The test
More informationProblem Points Score GSI I 22 II 26 III 28 IV 19 V 25 Total 120
hemistry 0 First ame econd Examination Last ame.5 h; 0 points please print clearly Dr. Kathleen olta ignature UM ID # PRIT TE FIRT LETTER F YUR LAT AME ERE: Problem Points core GI I II 6 III 8 IV 9 V 5
More information4Types of Isomers. 1. Structural Isomers/(Constitutional) 2. Geometric Isomers/(Cis/Trans) 3. Optical Isomers A. Enantiomers B.
4Types of Isomers 1. Structural Isomers/(Constitutional) 2. Geometric Isomers/(Cis/Trans) 3. Optical Isomers A. Enantiomers B. Diastereomers 4Types of Isomers C 4 10 C 4 10 O O O O O O O O O O O O C 3
More informationCHEM 8A Summer Student ID # Organic Chemistry FINAL EXAM (400 points)
CEM 8A Summer 2017 UCSC, Binder Name Student ID # rganic Chemistry FINAL EXAM (400 points) In each of the following problems, you will use your knowledge of organic chemistry conventions to answer the
More information1.5 h; 120 points please print clearly Dr. Kathleen Nolta Dr. Jordan Walk. Problem Points Score GSI I 23 II 27 III 24 IV 22 V 24 Total 120
hemistry 10 econd Examination First ame Last ame 1.5 h; 10 points please print clearly Dr. Kathleen olta Dr. Jordan Walk ignature UM ID # PRIT TE FIRT LETTER F YUR LAT AME ERE: Problem Points core GI I
More information(a) (10 points) Fill in any hydrogens not shown and indicate the molecular formula of the compound in the box provided.
1. Fundamentals (a) (10 points) Fill in any hydrogens not shown and indicate the molecular formula of the compound in the box provided. (b) (10 points) Draw a Lewis structure for each of the following
More informationChemistry 123: Physical and Organic Chemistry Topic 1: Organic Chemistry
Concept Check: Topic 1: Conformation Winter 2009 Page 112 Concept Check: Topic 1: Conformation Winter 2009 Page 113 1 STEREOCHEMISTRY Winter 2009 Page 114 We have already covered two kinds of isomerism:
More informationLearning Guide for Chapter 17 - Dienes
Learning Guide for Chapter 17 - Dienes I. Isolated, conjugated, and cumulated dienes II. Reactions involving allylic cations or radicals III. Diels-Alder Reactions IV. Aromaticity I. Isolated, Conjugated,
More information(1) Check to see if the two compounds are identical. (2) Recall the definitions of stereoisomers, conformational isomers, and constitutional isomers.
MCAT Organic Chemistry Problem Drill 04: Stereochemistry Question No. 1 of 10 Question 1. Determine the relationship of the molecules shown: O O Question #01 (A) Identical (B) Constitutional isomers (C)
More information1. Use appropriate curved arrows to indicate the complete mechanism of each of these reactions. KH (1 equiv.) + KCl THF. + HBr.
1. Use appropriate curved arrows to indicate the complete mechanism of each of these reactions. K (1 equiv.) TF K 3 2 2 3 enantiomer While writing the mechanism, justify both the regiochemistry the relative
More informationMidterm #1 Chem 3A - Fall 2013 Sept. 7, :00 8:30 pm. Name SID
Midterm #1 Chem 3A - Fall 2013 Sept. 7, 2013 7:00 8:30 pm ame SID Including the title page, there should be 5 total questions spread over 7 pages (printed on both sides). The back of the last page may
More information2 h; 240 points Signature UM ID # Problem Points Score GSI I 42 II 45 III 35 IV 46 V 36 VI 36 Total 240
hemistry 10 First ame Final Examination Last ame June 5, 01 please print clearly h; 0 points Signature UM ID # PRIT TE FIRST LETTER F YUR LAST AME ERE: Problem Points Score GSI I II 5 III 5 IV V VI Total
More informationC sp2 trigonal planar trigonal planar 3
I. ( points) ame Page A. Rocuronium bromide (Zemuron) is a muscle relaxant that is used in the application of anesthesia. It is used most often to facilitate endotracheal intubation because of its powerful
More information13. Free Radical Chemistry
hem 201 Study Session Final Beauchamp ame Problems Points redit 1. Functional Group omenclature (1 large structure) 2. Various possibilities: Types of Isomers, Degrees of Unsaturation, common nomenclature,
More informationProblem Set 7: Stereochemistry-ANSWER KEY
Problem Set 7: Stereochemistry-ANSWER KEY Chemistry 260 Organic Chemistry 1. The answer is (2). Circled isomers have a stereogenic carbon (*) and hence a stereogenic centre. C 2 C 2 C 2 C 2 C 2 C 2 C 2
More informationProblems Points Credit
hem 201 Final Fall, 2012 Beauchamp Name Problems Points redit 1. Functional Group Nomenclature (1 large structure) (R/S and E/Z too) 30 2. Types of Isomers, Degrees of Unsaturation 25 3. yclohexane onformations,
More informationName: (Print your name) Chem Spring, Midterm 1
ame: (Print your name) hem 2010 Spring, 2019 Midterm 1 hem 2010 Midterm 1 Spring, 2019 Beauchamp ame Problems Points redit 1. Functional Group omenclature (1 large structure) 30 2. Lewis Structures, Resonance,
More informationOrganic Chemistry 1 Lecture 5
CEM 232 Organic Chemistry I Illinois at Chicago Organic Chemistry 1 Lecture 5 Instructor: Prof. Duncan Wardrop Time/Day: T & R, 12:30-1:45 p.m. January 26, 2010 1 Self Test Question Which of the following
More information2011, Robert Ayton. All rights reserved.
Chemical Bonding Outline 1. Lewis Dot Structures 2. Bonds 3. Formal Charges 4. VSEPR (Molecular Geometry and Hybridzation) 5. Common Resonance Structures and Dimerization Review 1. Lewis Dot Structures
More informationPartial Periodic Table
CEM 33-00, Fall 203 Professor Walba First our Exam September 24, 203 scores: ) 20 2) 20 3) 20 4) 20 5) 20 CU onor Code Pledge: n my honor, as a University of Colorado at Boulder Student, I have neither
More informationChapter 6. Isomers and Stereochemistry
hapter 6. Isomers and Stereochemistry Learning objectives: 1. Differentiate chiral and achiral molecules. 2. Recognize and draw structural isomers (constitutional isomers), stereoisomers including enantiomers
More informationHour Examination # 1
CHEM 346 Organic Chemistry I Fall 2013 Hour Examination # 1 Solutions Key Page 1 of 15 CHEM 346 Organic Chemistry I (for Majors) Instructor: Paul J. Bracher Hour Examination # 1 Wednesday, September 25
More informationDepartmental Final Examination. Organic Chemistry I Caffein
Departmental Final Examination rganic Chemistry I 2423 Caffein Name CEMISTRY 2423 FINAL EXAM FALL, 2005 DIRECTINS: A periodic table is attached at the end of this exam. Please answer all questions as completely
More informationPartial Periodic Table
Easily Legible Printed Name: CEM 3311 (300), Fall 2014 Professor Walba First our Exam September 23, 2014 scores: 1) 2) 3) 4) 5) CU onor Code Pledge: n my honor, as a University of Colorado at Boulder Student,
More informationFinal Exam. Your lab section and TA name: (if you are not in a lab section write no lab ) Instructions:
CHEM 232 Final Exam May 10, 2014 RedID number: Signature: Your lab section and TA name: (if you are not in a lab section write no lab ) Instructions: 1. In fairness to all, do not open this test until
More informationChapter One MULTIPLE CHOICE QUESTIONS. Topic: General Section: 1.1 Difficulty Level: Easy
Chapter ne MULTIPLE CICE QUESTIS Topic: General Section: 1.1 1. Credit for the first synthesis of an organic compound from an inorganic precursor is usually given to: A) Berzelius B) Arrhenius C) Kekule
More informationCalifornia State Polytechnic University, Pomona Nomenclature (one structure) 25
alifornia State Polytechnic University, Pomona 1 hem 314 Final Exam Spring, 2005 Beauchamp ame Problem Points redit 1. omenclature (one structure) 25 2. 2D Lewis structure (large structure with 20 possible
More informationPartial Periodic Table
Easily Legible Printed Name: CEM 3351 (100), Fall 2015 Professor Walba First our Exam September 22, 2015 CU onor Code Pledge: n my honor, as a University of Colorado at Boulder Student, I have neither
More information: O: (1) (2) (3) (4) Page 1 of 6 : : : : : : (8) H H
Experiment #12 MOLECULAR MODELS An aspect of chemistry, which traditionally proves to be difficult to many students, is the visualization of compounds, ions, and molecules in three dimensional space. In
More informationFor each of the pairs shown below, choose the statements that can be used to describe the drawings and their relationship, if a relationship exists.
I. ( points) ame Page or each of the pairs shown below, choose the statements that can be used to describe the drawings and their relationship, if a relationship exists. (a) (b) and : "heck" any/all descriptions
More informationMore Tutorial at
1. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question (50 pts). 1) Which of the following statements about propene, CH3CH CH2, is 1) correct? A) There
More informationChapter 01 Structure Determines Properties part 2
Chapter 01 Structure Determines Properties part 2 CEM 341: Spring 2012 Prof. Greg Cook Resonance Section 1.8 Resonance Some molecules may have more than one correct Lewis structure These are NT isomers.
More information9. Stereochemistry: Introduction to Using Molecular Models
9. Stereochemistry: Introduction to Using Molecular Models The first part of this document reviews some of the most important stereochemistry topics covered in lecture. Following the introduction, a number
More information1. Make two superimposable models of bromochloroiodomethane. Position your models on your desk to prove that they are superimposable.
HM 204 Organic hemistry Introduction to Stereochemistry Recall that two models are identical if they can be superimposed without breaking bonds. Recall that conformations (conformers) are structures that
More informationOrganic Chemistry. 2 nd Stage Pharmacy/ Undergraduate
Organic Chemistry 2 nd Stage Pharmacy/ Undergraduate Time of Lectures: Saturday; 8:30-11:30 am Instructor: Wrya O. Karim University email: wrya.karim@univsul.edu.iq Personal email: wrya.othman49@gmail.com
More information"You can't go back and change the beginning, but you can start where you are and change the ending." C.S. Lewis. Chem 201 Midterm.
hem 201 Midterm Fall, 2017 Beauchamp ame Problems Points redit 1. Functional Group omenclature (1 large structure) 2. Types of Isomers, Degrees of Unsaturation or common nomenclature terms or functional
More informationCHEMISTRY 31 Name: KEY Exam #1 100 pts 1. (6 pts) Provide the complete IUPAC name for each of the following compounds:
CEMISTRY 31 ame: KEY Exam #1 100 pts 1. (6 pts) Provide the complete IUPAC name for each of the following compounds: (1S,3S)-1-bromo-3-butylcyclopentane 3,4-diethyl-2,2-dimethyloctane 1-cyclopropyl-2-methylcyclobutane
More informationConstitutional Isomers and Conformations of Alkanes & Cycloalkanes
Discovering Molecular Models #1: Constitutional Isomers Conformations of Alkanes & Cycloalkanes There are no additional tutorial or laboratory notes. Read bring your course notes, as they provide all of
More informationChapter 2 Polar Covalent Bonds; Acids and Bases SAMPLE. Chapter Outline
Chapter 2 Polar Covalent Bonds; Acids and Bases Chapter utline I. Polar covalent bonds (Sections 2.1 2.3). A. Electronegativity (Section 2.1). 1. Although some bonds are totally ionic and some are totally
More informationConstitutional Isomers and Conformations of Alkanes & Cycloalkanes
Discovering Molecular Models #1: Constitutional Isomers Conformations of Alkanes & Cycloalkanes There are no additional tutorial or laboratory notes. Read bring your course notes, as they provide all of
More informationStereochemistry Terminology
Stereochemistry Terminology Axis of symmetry: When an operation on an axis C n, where n = 360 /rotation, leads to a structure indistinguishable from the original. C 2 180 Plane of symmetry: (σ) A plane
More informationThe wise does at once what the fool does at last.
hem 201 Midterm all, 2018 Beauchamp ame Problems Points redit 1. unctional Group omenclature (1 large structure) 30 2. esonance, ormal harge, Arrows 18 3. yclohexane onformations, ewman Projections 30
More informationCHEM 261 HOME WORK Lecture Topics: MODULE 1: The Basics: Bonding and Molecular Structure Text Sections (N0 1.9, 9-11) Homework: Chapter 1:
CHEM 261 HOME WORK Lecture Topics: MODULE 1: The Basics: Bonding and Molecular Structure Atomic Structure - Valence Electrons Chemical Bonds: The Octet Rule - Ionic bond - Covalent bond How to write Lewis
More informationFacebook: UCI ORganic Chemistry Peer Tutoring King 51 Fall 2017
1 Organic Chemistry 51A Professor King Final Exam Review Session December 7 th, 2017 Will Cabanela (rcabanel@uci.edu) Amanda Pinski (apinski@uci.edu) Zachary Valley (zvalley@uci.edu) http://sites.uci.edu/ochemtutors
More information1. Sodium nitrite is an ionic compound containing a polyatomic ion. Answer the following questions relative to nitrite.
Ch 10-11 Practice Problems - KEY The following problems are intended to provide you with additional practice in preparing for the exam. Questions come from the textbook, previous quizzes, previous exams,
More information2.0 h; 240 points please print clearly Dr. Kathleen Nolta Signature. Problem Points Score GSI I 42 II 35 III 36 IV 46 V 42 VI 39 Total 240
hemistry 10 irst ame inal Examination Last ame.0 h; 0 points please print clearly Dr. Kathleen olta ignature UM ID # Problem Points core GI I II 5 III IV V VI 9 Total 0 Precision in drawing counts. heck
More informationNAME: SUMMER 2015 MIDTERM
page 1 pts NAME: SUMMER 2015 MIDTERM hemistry 350 Professor: Dr. Gergens take-home portion (DUE at the beginning of the period, 6/16) Do your best on this take-home portion of your midterm. I may grade
More informationFirst Name CARI / PHIL / ADAM / HEATHER. Chem 30A Fall 2004 MIDTERM #1 (50 Min) Weds October 27th
Last First MI Student ID Number: Total Score Circle the name of your TA: CARI / PIL / ADAM / EATER Discussion Section Day: Time: / 100 Chem 30A Fall 2004 MIDTERM #1 (50 Min) Weds October 27th INTERPRETATION
More informationProblems. 8. Stereochemical Analysis Physical Properties, Forces of Interaction Resonance, Curved Arrows, Formal Charge, Polarity 15
hem 201 Midterm Exam Winter, 2017 Beauchamp Name Problems Points 1. Functional Group Nomenclature (1 large structure) 30 2. Degrees of Unsaturation & Functional Groups (many different functional groups)
More informationCHEM J-10 June The structure of ( )-linalool, a commonly occurring natural product, is shown below.
CEM1102 2014-J-10 June 2014 The structure of ( )-linalool, a commonly occurring natural product, is shown below. 4 What is the molecular formula of ( )-linalool? C 10 18 O Which of the following best describes
More informationSTEREOGENIC CENTER (Chiral Center,Asymmetric Center) Atom (usually carbon) to which 4 different groups are attached: W Z C X Y
STEREOGENI ENTER (hiral enter,asymmetric enter) Atom (usually carbon) to which 4 different groups are attached: W Z X Y Many, but not all, molecules which contain a stereogenic center are chiral. (A molecule
More informationChemistry 123: Physical and Organic Chemistry Topic 1: Organic Chemistry
Topic 1: Mechanisms and Curved Arrows etc Reactions of Alkenes:.Similar functional groups react the same way. Why? Winter 2009 Page 73 Topic 1: Mechanisms and Curved Arrows etc Reactivity:.Electrostatic
More informationSTEREOCHEMISTRY. 2. Define the following, and tell whether or not a given compound or structure fits the description or possesses the feature.
A STUDENT SOULD BE ABLE TO: STEREOEMISTRY 1. Determine the relationship between two given structures (which may be any of the kinds below). Also, define each of the following terms, and give examples of
More informationProblems Points Credit
hem 0 Midterm Winter, 08 Beauchamp ame Key Problems Points redit. Functional Group omenclature ( large structure) 0. Resonance, Formal harge, Arrows 8. Properties of Atoms, Logic Arguments of rganic hemistry
More informationCHEMISTRY 112A FALL 2014 FINAL EXAM DECEMBER 17, 2014 NAME- WRITE BIG STUDENT ID: SECTION AND/OR GSI IF YOU ARE IN THE LABORATORY COURSE:
CEMISTRY 112A FALL 2014 FINAL EXAM DECEMBER 17, 2014 NAME- WRITE BIG STUDENT ID: SECTIN AND/R GSI IF YU ARE IN TE LABRATRY CURSE: You will have 2 hours 50 minutes in which to work. BE NEAT! Non-legible
More information1. methyl 2. methylene 3. methine 4. primary 5. secondary 6. tertiary 7. quarternary 8. isopropyl
hem 201 Sample Midterm Beauchamp Exams are designed so that no one question will make or break you. The best strategy is to work steadily, starting with those problems you understand best. Make sure you
More informationCHE 321 Summer 2012 Exam 2 Form Select the correct number of chirality centers in heroin, the illicit drug shown below.
Multiple Choice Questions: 50 points 1. Select the correct number of chirality centers in heroin, the illicit drug shown below. A 4 B 5 C 6 D 7 E 8 F more than 8 2. Choose the correct IUPAC name for the
More informationStudent ID # Organic Chemistry EXAM 1 (300 points)
UCSC, Binder Name Student ID # rganic Chemistry EXAM 1 (300 points) In each of the following problems, use your knowledge of organic chemistry conventions to answer the questions in the proper manner.
More informationSecond Exam CHEM 255 Organic Chemistry I Prof. Bastin Fall 2011
Second Exam CEM 255 rganic Chemistry I Prof. Bastin Fall 2011 Name Provide clear, concise answers using unambiquous, carefully drawn structures (where appropriate) for all of the questions. 1) /6 pts 2)
More informationCEM 351 2nd EXAM/Version A Friday, October 17, :50 2:40 p.m. Room 138, Chemistry
Name (print) Signature Student # Section Number CEM 351 2nd EXAM/Version A Friday, October 17, 2003 1:50 2:40 p.m. Room 138, Chemistry Ann Swerkey Grade? 1.(20 2.(20. 3.(20 4.(20 5.(20 6.(20 TOTAL 100
More informationCHM1321 Stereochemistry and Molecular Models Assignment. Introduction
CM1321 Stereochemistry and Molecular Models Assignment Note: A significant amount of background information is provided in the following sections. More detail is found in the Mechanistic Patterns textbook
More information5. Stereochemical Analysis. 7. Dipole Moments and Inductive versus Resonance Effects. 8. Types of isomers from a given formula. 9. Physical Properties
hem 201 Sample Midterm Beauchamp ame Problems Points redit 1. Functional Group omenclature (1 large structure) 2. Lewis Structures, Resonance, Formal harge 3. yclohexane onformations, 2 substituents, ewman
More informationChapter 1 Introduction and Review
Chapter 1 Introduction and Review Concept to review: It is your responsibility to review the following concepts before the first class to ensure success in understanding new concepts: Atomic structure
More informationChapter 5 Stereochemistry
Chapter 5 Stereochemistry References: 1. Title: Organic Chemistry (fifth edition) Author: Paula Yurkanis Bruice Publisher: Pearson International Edition 2. Title: Stereokimia Author: Poh Bo Long Publisher:
More informationName: Class: Date: 3. How many lone pairs of electrons are assigned to the carbon atom in carbon monoxide? a. 0 b. 1 c. 2 d. 3
Class: Date: Midterm 3, Fall 2009 Record your name on the top of this exam and on the scantron form. Record the test ID letter in the top right box of the scantron form. Record all of your answers on the
More information= ( 3 ) + 2 ( 3 ) = ( ) = = ( ) = 20 H H
Columbia University 92CORG12.DOC CEM S3443D Summer 1992 Professor Grace B. Borowitz Exam No. 2 June 17, 1992 Name: Grade: Please use a non-red pen. Answer questions in the provided space. If you write
More information