Chemistry 262 Homework 2 Part II Winter 2018
|
|
- Adrian Jordan
- 5 years ago
- Views:
Transcription
1 Chemistry 262 Homework 2 Part II Winter 2018 The following homework covers Chapter 10 in Loudon & Parise s Organic Chemistry, 6 th ed. and contains 24 questions, valued at point each, as well as 3 bonus questions valued at point each Name: ALCOL AND THIOL ACID BASE CONSIDERATIONS 1. Which of the following has the highest pk a value in aqueous solution? a. Phenol b. Isopropanol c. Cyclohexanone d. Ammonium chloride e. para-toluene sulfonic acid ALCOL AND THIOL ACID BASE CONSIDERATIONS 2. Which of the following has the lowest pk a value in aqueous solution? a. Phenol b. Isopropanol c. Cyclohexanone d. Ammonium chloride e. para-toluene sulfonic acid ALCOL AND THIOL ACID BASE CONSIDERATIONS 3. Which of the following would be substantially (> 10 %) deprotonated by sodium phenoxide (PhONa) a. Benzyl alcohol b. Ammonium chloride c. para-toluene sulfonic acid d. 2 of the above e. All of the above
2 DEHYDRATION OF ALCOLS 4. What is the expected outcome when 3-methyl-1-cyclohexanol is heated in conc. H 3 PO 4? a. 3-methyl-1-cyclohexene b. 1-methyl-1-cyclohexene c. Cyclohexanone d. Adipic acid (1,6-hexanedioic acid) e. A 1:1 mixture of (a) and (b) BONUS I: AN ALTERNATIVE PATHWAY TO DIRECT REARRANGEMENT IS REPETITIVE ELIMINATION AND ADDITION. SHOW HOW THIS COULD EXPLAIN THE FORMATION OF 2-METHYL-2-PENTENE FROM 4-METHYL-2-PENTANOL IN AQUEOUS H 2 SO 4 : DEHYDRATION OF ALCOLS 5. What is the expected outcome when 3-methyl-1-cyclohexanol is heated in conc. HBr? a. 3-methyl-1-cyclohexene b. 1-methyl-1-cyclohexene c. 3-methyl-1-bromocyclohexane d. 1-methyl-1-bromocyclohexane e. All of the above REACTION OF ALCOLS WITH HYDROGEN HALIDES 6. What is the expected product when 2-methyl-2-propanol reacts with conc. hydrochloric acid? a. Isobutene b. Isobutane c. tert-butyl chloride d. Isobutyl chloride e. sec-butyl chloride
3 BASE COMPATABLE ALCOL-DERIVED LEAVING GROUPS 7. What is the expected product if n-butanol is treated with tosyl chloride in pyridine, followed by tbuok in tbu? a. 1-butene b. 2-butene c. Butyl tert-butyl ether d. (a) and (b) in equal amounts e. (a) and (c) in equal amounts BASE COMPATABLE ALCOL-DERIVED LEAVING GROUPS 8. What would be the expected outcome of the following transformation? H SO 2 Cl CO - 2 Product? base C 2 H 5 H 3 CCO 2 H H O 2 C H 3 CCO 2 OSO 2 C 2 H 5 C 2 H 5 C 2 H 5 I II III a. I b. II c. III d. Equal amounts of I & II e. None of the above
4 BASE COMPATABLE ALCOL-DERIVED LEAVING GROUPS 9. Which of the following will not convert an alcohol into a good leaving group? a. Tosyl chloride b. Mesyl chloride c. Triflic anhydride d. Dimethyl sulfate e. N/A; all of the above will convert an alcohol into a good leaving group MODERN METHODS FOR CONVERSION OF ALCOLS TO ALKYL HALIDES 10. Which of the following will not convert an alcohol into an alkyl bromide? a. SOBr 2 + pyridine b. PBr 3 + pyridine c. Ph 3 PBr 2 + pyridine d. Conc HBr + heat e. N/A; all of the above will convert an alcohol to an alkyl bromide MODERN METHODS FOR CONVERSION OF ALCOLS TO ALKYL HALIDES 11. Please show the mechanism by which benzyl alcohol is converted to benzyl chloride by thionyl chloride (SOCl 2 ) in the presence of pyridine (C 5 H 5 N) ORGANIC REDOX REACTIONS 12. Which of the following compounds is most oxidized? a. CH 4 b. CH 2 Cl 2 c. d. CH 2 O e. CCl 4
5 ORGANIC REDOX REACTIONS 13. Considering only the anisole (phenyl methyl ether), the following is a CH3 a. 2 electron reduction b. 4 electron reduction c. 2 electron oxidation d. 4 electron oxidation e. None of the above OXIDATION OF ALCOLS 14. Which of the formal oxidation number on manganese in KMnO 4? a. +4 b. +5 c. +6 d. +7 e. +8 OXIDATION OF ALCOLS 15. What is the final formal oxidation number at C1 after 1-hexanol has been heated with a concentrated alkaline solution of KMnO 4? a. 0 b. +1 c. +2 d. +3 e. +4 CHEMICAL AND STEREOCHEMICAL GROUP RELATIONSHIPS 16. How many chemically nonequivalent sets of hydrogens are found in trans-3-hexene? a. 2 b. 3 c. 4 d. 5 e. 6
6 CHEMICAL AND STEREOCHEMICAL GROUP RELATIONSHIPS 17. How many chemically nonequivalent sets of hydrogens are found in 1-bromo-1-chloro-2- methoxyethane? a. 1 b. 2 c. 3 d. 4 e. 5 CHEMICAL AND STEREOCHEMICAL GROUP RELATIONSHIPS 18. What is the term best describing the methylene hydrogens at C3 in (S)-2-butanol? a. Homotopic b. Enantiotopic c. Diastereotopic d. Prochiral e. (c) and (d) OCTET EXPANSION AND OXIDATION OF THIOLS 19. Which of the following is most oxidized? a. CH 2 SH b. CH 2 SCH 2 c. CH 2 SSCH 2 d. SO 2 Cl e. ( ) 2 SO OCTET EXPANSION AND OXIDATION OF THIOLS 20. Which of the following will oxidize butanethiol to the corresponding disulfide? a. Conc. HNO 3 b. I 2 in aqueous Na c. KMnO 4 /Na/ d. K 2 Cr 2 O 7 /H 2 SO 4 e. All of the above
7 SYNTHESIS OF ALCOLS 21. What principal product would you expect from the following reaction? H 3 O +? I II III a. I b. II c. III d. IV e. V IV IV SYNTHESIS OF ALCOLS 22. What principal product(s) would you expect from the following reaction sequence? i) BH 3, THF ii) H 2 O 2,Na? + enantiomer + enantiomer I II III IV a. I b. II c. III d. IV e. III & IV in equal amounts
8 RETROSYNTHETIC ANALYSIS 23. Please synthesize butyl methyl ether from n-butanol RETROSYNTHETIC ANALYSIS 24. Please synthesize di-tert-butyl ether from 2-methyl-2-propanol BONUS II: PLEASE SYNTHESIZE ETHYL BENZOATE FROM BENZYL ALCOL AND ETHYLENE BONUS III A. What is the principal drawback to the gasification of coal for energy? C + 2H 2 CH 4 Answer: B. What do you get when you mix tosyl chloride with iceberg lettuce? Answer:
c. Cyclohexanone Chemistry 262 Homework 2 Part II Winter 2018
Chemistry 262 Homework 2 Part II Winter 2018 The following homework covers Chapter 10 in Loudon & Parise s Organic Chemistry, 6 th ed. and contains 24 questions, valued at 0.3333 point each, as well as
More informationCH 3 CH 2 C=CCH 2 CH 3 CH 2 CH 2 OH
CHE 325 ALCOLS, DIOLS, AND THIOLS CHAP 15 ASSIGN 1. What is the correct IUPAC name for the following compound? CH 2 C=CCH 2 CH 2 CH 2 A. 3-methyl-4-ethyl-3-hexen-6-ol B. 4-ethyl-3-methyl-3,6-hexenol C.
More information8. What is the slow, rate-determining step, in the acidcatalyzed dehydration of 2-methyl-2-propanol?
CHEMISTRY 313-03 MIDTERM # 2 answer key October 25, 2011 Statistics: Average: 68 pts (68%); Highest: 100 pts (100%); Lowest: 30 pts (30%) Number of students performing at or above average: 56 (54%) Number
More informationChapter 10 Outline: Alcohols
Chapter 10 Outline: Alcohols Review Nomenclature, Structure & Physical Properties on your own 1. Acidity of Alcohols 2. Reactions of Alcohols 3. Reactions of Thiols You should do all the problems in the
More informationAlcohol, Phenols & Ethers
Alcohol, Phenols & Ethers 1) Conc. H 2 S 4 Heated with excess of C 2 H 5 at 140 o c to form CH 2 b) CH 2 CH 2 CH 2 CH 2 d) CH 2 = CH 2 2) In the following series of chemical reactions identify Z C 3 H
More informationALCOHOLS AND PHENOLS; ETHERS AND EPOXIDES; THIOLS AND SULFIDES
ALCOHOLS AND PHENOLS; ETHERS AND EPOXIDES; THIOLS AND SULFIDES A STUDENT SHOULD BE ABLE TO: 1. Give the IUPAC name when given the structure, and draw the structure given the name of open-chain and monocyclic
More informationMUNISH KAKAR s INSTITUTE OF CHEMISTRY
REACTONS & PREPARATON OF HALOGENATED COMPDS. WS#3 Q1. Reagent for preparing a chloroalkane from an alcohol is (a) SOCl 2 (b) HCl/ZnCl 2 (c) PCl 3 (d) All of these Q2. n the addition of H to propene in
More informationHomework - Chapter 14 Chem 2320
omework - Chapter 14 Chem 2320 Name 1. Label each alcohol in the the following compounds as primary, secondary, tertiary, enol, or aryl. 2. Fill in the blanks in the following sentences. Enols are in equilibrium
More informationNuclear Magnetic Resonance Spectroscopy
13 Nuclear Magnetic Resonance Spectroscopy Solutions to In-Text Problems 13.1 (b) Apply Eq. 13.2b with = 360 MHz. chemical shift in Hz = δ = (4.40)(360) = 1584 Hz 13.2 (b) Follow the same procedure used
More informationAlcohols, Ethers and Epoxides. Chapter Organic Chemistry, 8th Edition John McMurry
Alcohols, Ethers and Epoxides Chapter 17-18 Organic Chemistry, 8th Edition John McMurry 1 Introduction Structure and Bonding Alcohols contain a hydroxy group (OH) bonded to an sp 3 hybridized carbon. 2
More informationAlcohols, Phenols, and Thiols
7 Alcohols, Phenols, and Thiols hapter Summary The functional group of alcohols and phenols is the hydroxyl group. In alcohols, this group is connected to an aliphatic carbon, whereas in phenols, it is
More informationChapter 11 - Alcohols and Ethers 1
Andrew Rosen Chapter 11 - Alcohols and Ethers 1 11.1 - Structure and Nomenclature - The common naming calls alcohols as alkyl alcohols (eg: methyl alcohol) - The common names of ethers have the groups
More informationYour course TA (Steve, Jenn-C, Jenn-P):
CHM 1321 Second Midterm April 3, 2008 1 Your Name: Student #: Your course TA (Steve, Jenn-C, Jenn-P): Exercise 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 key 1. Deliver only the solution
More information10) The common name of CH 3CH2OH is A) wood alcohol. B) grain alcohol. C) antifreeze. D) rubbing alcohol. E) glycerol.
1) Compounds with the -OH group attached to a saturated alkane-like carbon are known as A) alcohols. B) phenols. C) ethers. D) alkyl halides. E) hydroxyls. ) Compounds with an oxygen atom bonded to two
More informationModule9. Nuclear Magnetic Resonance Spectroscopy Nuclear Magnetic Resonance (NMR) spectroscopy - Chemical shift - Integration of signal area
1 CHEMISTRY 263 HOME WORK Lecture Topics: Module7. Hydrogenation of Alkenes The Function of the Catalyst - Syn and anti- addition Hydrogenation of Alkynes - Syn- addition of hydrogen: Synthesis of cis-alkenes
More informationThe following exam contains 30 questions valued at 3 point/question and bonus opportunities. Name:
Chemistry 261 Exam 3 all 2017 The following exam contains 30 questions valued at 3 point/question and bonus opportunities Name: ELECTROPILIC ADDITION REACTIONS BASIC REACTION OUTCOMES 1. Addition of hydrogen
More informationBut in organic terms: Oxidation: loss of H 2 ; addition of O or O 2 ; addition of X 2 (halogens).
Reactions of Alcohols Alcohols are versatile organic compounds since they undergo a wide variety of transformations the majority of which are either oxidation or reduction type reactions. Normally: Oxidation
More informationFor example, 2-ethyloctan-3-ol which can also be called. 2-ethyl-3-octanol.
Alcohols & Ethers Worksheet Part A Name: The focus of this chapter can be thought of as the organic version of water. When H 2 has one or both of its hydrogens replaced by an R group we get alcohols and
More informationClass: 12 Subject: chemistry Topic: Organic Chemistry of O compounds No. of Questions: 20 Duration: 60 Min Maximum Marks: 60
Class: 12 Subject: chemistry Topic: Organic Chemistry of O compounds No. of Questions: 20 Duration: 60 Min Maximum Marks: 60 1. Ethylene is passed through conc. H 2 SO 4 and the product obtained is diluted
More informationChapter 17: Alcohols and Phenols
hapter 17: Alcohols and Phenols sp 3 alcohol phenol (aromatic alcohol) pka~ 16-18 pka~ 10 Alcohols contain an group connected to a saturated carbon (sp 3 ) Phenols contain an group connected to a carbon
More information1. What is the major organic product obtained from the following sequence of reactions?
CH320 N N_HW1 Multiple Choice Identify the choice that best completes the statement or answers the question. There is only one correct response for each question. Carefully record your answers on the Scantron
More informationCHEM 242 ETHERS, EPOXIDES, AND SULFIDES CHAP 17 ASSIGN
CHEM 242 ETHERS, EPOXIDES, AND SULFIDES CHAP 17 ASSIGN 1. Which of the following is the correct name of the compound below? A) benzyl ethyl ether B) ethyl phenyl ether C) ethylbenzene ether D) ethoxy phenoxy
More informationChem 30A Winter Mon March 21st
Last Name First Name MI Student ID Number: Total Score / 200 Chem 30A Winter 2005 FINAL (180 Min) Mon March 21st Course Grade ***DO NOT OPEN THIS EXAM UNTIL INSTRUCTED TO DO SO*** ONLY ANSWERS WRITTEN
More informationLearning Guide for Chapter 14 - Alcohols (I)
Learning Guide for Chapter 14 - Alcohols (I) I. Introduction to Alcohols and Thiols II. Acid/base Behavior of Alcohols, Phenols, and Thiols III. Nomenclature of Alcohols IV. Synthesis of Alcohols Previous
More informationCHEMISTRY 263 HOME WORK
Lecture Topics: CHEMISTRY 263 HOME WORK Module7: Hydrogenation of Alkenes Hydrogenation - syn and anti- addition - hydrogenation of alkynes - synthesis of cis-alkenes -synthesis of trans-alkenes Text sections:
More informationUnit - 11 ALCOHOLS, PHENOLS AND ETHERS 1. Write IUPAC names of the following compounds : (ix) C 6 H 5 OC 3 H 7 (x) O Cl 2. Write the structures of the compounds whose names are given below : (i) 3, 5-dimethoxyhexane-1,
More informationN_HW1 N_HW1. 1. What is the purpose of the H 2 O in this sequence?
N_HW1 N_HW1 Multiple Choice Identify the choice that best completes the statement or answers the question. There is only one correct response for each question. 1. What is the purpose of the H 2 O in this
More informationOrganic Chemistry 1 CHM 2210 Exam 4 (December 10, 2001)
Exam 4 (December 10, 2001) Name (print): Signature: Student ID Number: There are 12 multiple choice problems (4 points each) on this exam. Record the answers to the multiple choice questions on THIS PAGE.
More informationPhenols, Ethers, and Organic Sulfur Compound
Phenols, Ethers, and rganic Sulfur Compound Phenols - Structure General Structure - A hydroxy () group attached directly to an aromatic ring: Phenol α-naphthol β-naphthol Note: C2 is not a phenol. Phenols
More informationChemistry 52 Exam #1. Name: 22 January This exam has six (6) questions, two cover pages, six pages, and 2 scratch pages.
Chemistry 52 Exam #1 Name: 22 January 2003 This exam has six (6) questions, two cover pages, six pages, and 2 scratch pages. Please check before beginning to make sure no questions are missing. 65 minutes
More informationALCOHOLS AND PHENOLS
ALCOHOLS AND PHENOLS ALCOHOLS AND PHENOLS Alcohols contain an OH group connected to a a saturated C (sp3) They are important solvents and synthesis intermediates Phenols contain an OH group connected to
More information1) (100 pts) 5) (20 pts) 3) (35 pts) 4) (25pts. Total (200 pts) More Tutorial at
Name: Perm number: Question 1) (100 pts) 2) (20 pts) 3) (35 pts) 4) (25pts 5) (20 pts) Total (200 pts) Your score 1. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers
More information3. (6 pts) Provide an acceptable name for each of the following molecules: OH
CEMISTRY 313-61 MIDTERM # 2 answer key June 07, 2005 Statistics: Average: 71 pts (71%); ighest: 99 pts (99%); Lowest: 45 pts (45%) Number of students performing at or above average: 15 (48%) 1. (11 pts)
More informationIUPAC Nomenclature Chem12A, Organic Chemistry I
IUPAC Nomenclature ChemA, rganic Chemistry I IUPAC PEFIXES Prefix Substituent Group Number of Carbons meth- methyl eth- ethyl prop- propyl but- butyl pent- pentyl hex- hexyl hept- heptyl 7 oct- octyl 8
More information2. Which of the following is NOT an electrophile in an electrophilic aromatic substitution reaction? A) NO 2
Name: CHEM 226 Practice Quiz 3 Chapter 4-Aromatic Compounds and Chapter 7- Alcohols, Phenols and Thiols Attempt all questions showing your answers and work clearly for full and partial credits 1. Which
More informationChemistry 2030 Introduction to Organic Chemistry Fall Semester 2017 Dr. Rainer Glaser
Chemistry 2030 Introduction to Organic Chemistry Fall Semester 2017 Dr. Rainer Glaser Examination #3 Nucleophilic Substitutions & Eliminations, Alcohols, and Ethers Thursday, November 2, 2017, 8:25-9:15
More informationLoudon Chapter 10 Review: Alcohols & Thiols Jacquie Richardson, CU Boulder Last updated 4/26/2016
Alcohols (R) and thiols (RS) have many reactions in common with alkyl halides, but they don t do everything exactly the same. The main difference between this and alkyl halide chemistry is that unlike
More informationChemistry 2321 Last name, First name (please print) April 22, 2008 McMurry, Chapters 10 and 11 Row # Seat #
Test 4 Name Chemistry 2321 Last name, First name (please print) April 22, 2008 McMurry, Chapters 10 and 11 Row # Seat # Part 1. Multiple Choice. Choose the one best answer, and clearly mark that answer
More informationFOURTH EXAMINATION. (1)..20 pts... (2)..24 pts... (3)..18 pts... (4)..12 pts... (5)..12 pts... (6).. 6 pts... (7).. 8 pts... Bonus 4 pts...
Name: CHEM 331 FURTH EXAMINATIN All answers should be written on the exam in the spaces provided. Clearly indicate your answers in the spaces provided; if I have to guess as to what or where your answer
More information1. CONCEPTS IN ORGANIC CHEMISTRY 2. SYNTHETIC ORGANIC CHEMISTRY 3. ISOMERISM II 4. HYDROCARBONS II 5. HALOALKANES. Vikasana - CET 2012
CET OBJECTIVE QUESTION ON 1. CONCEPTS IN ORGANIC CHEMISTRY 2. SYNTHETIC ORGANIC CHEMISTRY 3. ISOMERISM II 4. HYDROCARBONS II 5. HALOALKANES 1.The inductive effect a. Implies the atoms ability to cause
More informationEthers & Epoxides. Chapter 5. Dr. Seham ALTERARY. Chem 340-2nd semester
Ethers & Epoxides Chapter 5 Dr. Seham ALTERARY Chapter s out line Ethers Definition; General formula; Classification and Types Nomenclature - Common Names. - IUPAC Naming. Physical Properties General methods
More information12/27/2010. Chapter 15 Reactions of Aromatic Compounds
Chapter 15 Reactions of Aromatic Compounds Electrophilic Aromatic Substitution Arene (Ar-H) is the generic term for an aromatic hydrocarbon The aryl group (Ar) is derived by removal of a hydrogen atom
More informationIntroduction to Alkyl Halides, Alcohols, Ethers, Thiols, and Sulfides
8 Introduction to Alkyl alides, Alcohols, Ethers, Thiols, and Sulfides Solutions to In-Text Problems 8.1 (b) exyl iodide is a primary alkyl halide. (d) Tert-butyl chloride is a tertiary alkyl halide. 8.2
More informationChapter 7: Alcohols, Phenols and Thiols
Chapter 7: Alcohols, Phenols and Thiols 45 -Alcohols have the general formula R-OH and are characterized by the presence of a hydroxyl group, -OH. -Phenols have a hydroxyl group attached directly to an
More informationCh 17 Alcohols and Phenols
Ch 17 Alcohols and Phenols Alcohols are compounds with a hydroxyl group (OH) attached to an sp 3 C. Phenols are compounds with a hydroxyl group (OH) attached to an aromatic sp 2 C. Classification of Alcohols
More informationCHEM 2311 HW1. COMPLETELY FILL THE BOXES IN DARK PENCIL, i.e.:, NOT or or STRUCTURE
EM 2311 W1 Provide answers to the following multiple choice questions on the Scantron form provided in lecture. Make sure that you put your name and bubble in your GTID # on the answer form. MPLETELY FILL
More informationCH320/328 M Spring 2014
CH320/328 M Spring 2014 HW Set #3 Multiple Choice Identify the choice that best completes the statement or answers the question. There is only one correct response for each question. Carefully record your
More informationAlcohols. Alcohol any organic compound containing a hydroxyl (R-OH) group. Alcohols are an extremely important organic source
Alcohols Alcohol any organic compound containing a hydroxyl (R-OH) group Uses: synthetic intermediate, cleanser, cosmetics, fuel, alcoholic beverages, etc. Alcohols are an extremely important organic source
More informationB. (2 pts) The regiochemistry of alcohol dehydration is determined by the: a. Zaitsev rule; b. Hammond postulate;
CEMISTRY 313-01 MIDTERM # answer key ctober 1, 008 Statistics: Average: 73 pts (73%); ighest: 98 pts (98%); Lowest: 3 pts (3%) Number of students performing at or above average: 36 (58%) Number of students
More informationChemistry 3351 Organic Chemistry/Final Exam Monday: Dec. 17 th from 1:30 pm 4:00pm
- 1 - Chemistry 3351 Organic Chemistry/Final Exam Monday: Dec. 17 th from 1:30 pm 4:00pm Name: (please print, 1 pt) Page Possible Points Score 1 1 2 9 3 10 4 12 5 14 6 14 7 10 8 15 9 10 10 10 11 10 12
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 informationChapter 17 Alcohols and Phenols
Chapter 17 Alcohols and Phenols Alcohols and Phenols Organic derivatives of water One of water s hydrogens is replaced by an organic group Alcohols contain an OH group connected to a saturated, sp 3 -hybridized
More informationCHE 275 REACTIONS OF ALKENES: ADDITION REACTIONS CHAP 8 ASSIGN
HE 275 REATINS F ALKENES: ADDITIN REATINS HAP 8 ASSIGN 1. Which reagent or test could be used to distinguish between 2-methyl-2-pentene and 2-methylpentane? A. Br 2/l 4 B. KMn 4,. oncd. H 2S 4 D. Two of
More informationThe C-X bond gets longerand weakergoing down the periodic table.
Chapter 10: Organohalides Organic molecules containing halogen atoms (X) bonded to carbon are useful compounds in synthesis and on their own. 10.2 Structure of alkyl halides The C-X bond gets longerand
More informationThe Chemistry of Ethers, Epoxides, Glycols, and Sulfides
The Chemistry of Ethers, Epoxides, Glycols, and Sulfides The chemistry of ethers is closely intertwined with the chemistry of alkyl halides, alcohols, and alkenes. Ethers, however, are considerably less
More informationCHAPTER PRACTICE PROBLEMS CHEMISTRY
APTER PRACTICE PRBLEMS EMISTRY Electrophilic Aromatic Substitution Name : Batch : Date : rientation influence of groups 1. Predict the characteristics of -NH + as a substituent. activating, o/p directing
More informationHW #3: 14.26, 14.28, 14.30, 14.32, 14.36, 14.42, 14.46, 14.52, 14.56, Alcohols, Ethers and Thiols
Chemistry 131 Lecture 8: Alcohols, Ethers and Sulfur Analogs: Structure, Nomenclature, Physical Properties, and Chemical Reactivity Chapter 14 in McMurry, Ballantine, et. al. 7 th edition HW #3: 14.26,
More informationQ. No. 4 Chlorination of toluene in the presence of light and heat followed by treatment with aqueous NaOH gives o cresol p cresol 2, 4 dihydroxy tolu
Q. No. 1 Glycerine has One primary and two secondary OH groups One secondary and two primary OH groups Three primary OH groups Three secondary OH groups Q. No. 2 The structural formula of cyclohexanol
More informationPart I. Multiple choice. (4 points each.) Choose the one best answer and mark your answer on the ScanTron sheet.
Test 3 Chemistry 2321 April 25, 2003 McMurry, Chapters 9-11 103 Total Points Name Please Print Part I. Multiple choice. (4 points each.) Choose the one best answer and mark your answer on the ScanTron
More information1. What are the respective hybridizations of the atoms numbered 1 to 4 in this compound?
EM 331: hapter 1/2: Structures (Atoms, Molecules, Bonding) 1. What are the respective hybridizations of the atoms numbered 1 to 4 in this compound? N 2 N 2 N 1 2 3 4 2. What hybrid orbitals are used to
More informationIndian School Muscat. Chemistry IIT - JEE
Indian School Muscat Chemistry IIT - JEE HALOALKANES AND HALOARENES 1. Which one of the following is not formed when a mixture of methyl bromide and bromobenzene is heated with sodium metal in the presence
More informationCHAPTER HYDROCARBONS. Chapterwise Previous year Qs. (a) Na (b) HCl in H2O (c) KOH in C2H5OH (d) Zn in alcohol. Ans: (c)
122 CHAPTER HYDROCARBONS 1. Acetylenic hydrogens are acidic because [1989] Sigma electron density of C Hbond in acetylene is nearer to carbon, which has 50% s- character Acetylene has only open hydrogen
More informationBenzenes & Aromatic Compounds
Benzenes & Aromatic Compounds 1 Structure of Benzene H H C C C H C 6 H 6 H C C C H H A cyclic conjugate molecule Benzene is a colourless odourless liquid, boiling at 80 o C and melting at 5 o C. It is
More informationH H C C. Alkenes C n H 2n unsaturated hydrocarbons. C 2 H 4 ethylene. Functional group = carbon-carbon double bond
Alkenes C n H 2n unsaturated hydrocarbons C 2 H 4 ethylene H H C C H H Functional group = carbon-carbon double bond sp 2 hybridization => flat, 120 o bond angles σ bond & π bond => H 2 C=CH 2 No rotation
More information1. Name the following compound. Use the IUPAC system and include the stereochemical designations.
Chemistry 51 Exam 1, Summer 2004 This is a closed book exam. The exam lasts 100 minutes. All answers must appear on the answer sheet. Only the answer sheet will be collected. Put your name on the answer
More information3 free radical is most stable. Q.5. A + Cl 2 hv monochloro product To maximize the yield of monochloro product in the above reaction? Cl 2 must be add
Q.1. I II III IV IV III II I I III II IV IV II III I I II III IV The decreasing order of the anti knocking value of octane number of the following is: (I) CH 4 (II) C 2 H 6 (III) C 3 H 8 (IV) C 4 H 10
More informationOrganic Chemistry 1 CHM 2210 Exam 3 (November 9, 2001)
Organic Chemistry 1 CM 2210 Exam 3 (November 9, 2001) Name (print): Signature: Student ID Number: There are 14 multiple choice problems (5 points each) on this exam, however, you will only be graded out
More informationCLASSIFICATION OF ALKYL HALIDES, ALCOHOLS, THIOLS, ETHERS, AND SULFIDES NOMENCLATURE OF ALKYL HALIDES, ALCOHOLS, THIOLS, ETHERS, AND SULFIDES
Chemistry 262 Winter 2018 Final Exam Practice The following practice contains 44 problems and mimics Monday s 150 point final, which will also contain 44 problems valued at 3.5 points each with approximately
More information3) Oxidation of tertiary alcohol yields A) Aldehyde B) No reaction C) Ketone D) Carboxylic acid
ALKYL HALIDES 18- The reaction of Propyl bromide with Na is A) Nucleophilic addition. B) Nucleophilic substitution. C) Electrophilic substitution. D) Electrophilic addition. 25) Which of the following
More informationc. Oxidizing agent shown here oxidizes 2º alcohols to ketones and 1º alcohols to carboxylic acids. 3º alcohols DO NOT REACT.
Exam 1 (Ch 17 and Review of CEM 331) Answer Key: 1. ne-step Questions: You need to know reagents for reagent arrows and to be able to draw products. I know a lot of them seem to look alike its your job
More informationOrganic Chemistry. REACTIONS Grade 12 Physical Science Mrs KL Faling
Organic Chemistry REACTIONS Grade 12 Physical Science Mrs KL Faling SUBSTITUTION REACTIONS This is a reaction where an atom or group of atoms is replaced by another atom or group of atoms Substitution
More informationChapter 15 Reactions of Aromatic Compounds
Chapter 15 1 Chapter 15 Reactions of Aromatic Compounds Electrophilic Aromatic Substitution Arene (Ar-H) is the generic term for an aromatic hydrocarbon The aryl group (Ar) is derived by removal of a hydrogen
More informationEXPERIMENT 8 Reactions of Hydrocarbons
EXPERIMENT 8 Reactions of Hydrocarbons Properties and Identification of Hydrocarbons Purpose: a) To identify saturated and unsaturated hydrocarbons using properties and reactions. b) Study substitution
More informationAlcohols, Ethers, & Epoxides
Alcohols, Ethers, & Epoxides Alcohols Structure and Bonding Enols and Phenols Compounds having a hydroxy group on a sp 2 hybridized carbon enols and phenols undergo different reactions than alcohols. Chapter
More informationCarbon-heteroatom single bonds basic C N C X. X= F, Cl, Br, I Alkyl Halide C O. epoxide Chapter 14 H. alcohols acidic H C S C. thiols.
hapter 13: Alcohols and Phenols 13.1 Structure and Properties of Alcohols Alkanes arbon - arbon Multiple Bonds arbon-heteroatom single bonds basic Alkenes X X= F, l,, I Alkyl alide amines hapter 23 nitro
More informationCHAPTER 24 Organic Chemistry
CHAPTER 24 rganic Chemistry 1. The general formula for alkenes is A. C n H 2n+2 B. C 2n H 2n C. C n H n+2 D. C n H 2n E. C n H 2n 2 2. The general formula of an alkane is A. C n H 2n B. C n H 2n+2 C. C
More informationChapter 13: Alcohols and Phenols
Chapter 13: Alcohols and Phenols [ Chapter 9 Sections: 9.10; Chapter 13 Sections: 13.1-13.3, 13.9-13.10] 1. Nomenclature of Alcohols simple alcohols C3 C3C2 Eddie Sachs 1927-1964 larger alcohols find the
More informationOrganic Chemistry, 7 L. G. Wade, Jr. Chapter , Prentice Hall
Organic Chemistry, 7 th Edition L. G. Wade, Jr. Chapter 17 Reactions of Aromatic Compounds 2010, Prentice Hall Electrophilic Aromatic Substitution Although h benzene s pi electrons are in a stable aromatic
More information17.3 REACTIONS INVOLVING ALLYLIC AND BENZYLIC ANIONS
798 HAPTER 17 ALLYLI AND BENZYLI REATIVITY Because the unpaired electron is shared by two different carbons, this radical can react in the final propagation step to give two different products. Reaction
More informationDetailed Course Content
Detailed Course Content Chapter 1: Carbon Compounds and Chemical Bonds The Structural Theory of Organic Chemistry 4 Chemical Bonds: The Octet Rule 6 Lewis Structures 8 Formal Charge 11 Resonance 14 Quantum
More informationA) I B) II C) III D) IV E) V
Exam Name SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 1) Complete the following reaction and provide a detailed, step-by-step mechanism for the process.
More informationUnit 2 Review: Organic Chemistry. 1. Terms for which you should be able to write or apply the definitions:
Unit 2 Review: Organic Chemistry 1. Terms for which you should be able to write or apply the definitions: organic compound aliphatic hydrocarbons saturated miscible functional group aromatic hydrocarbons
More informationi. NaCN ii. 70% H 2 SO 4, reflux
CHE 325 CARBXYLIC ACID CHAP 18 AIGN 1. In which of the following sequences are the compounds listed in order of decreasing acidity? A. CH 3CH > H 2 > CH 3CH 2H > HC CH > NH 3 B. CH 3CH 2H > CH 3CH > H
More informationC h a p t e r S e v e n : Haloalkanes: Nucleophilc Substitution and Elimination Reactions S N 2
C h a p t e r S e v e n : Haloalkanes: Nucleophilc Substitution and Elimination Reactions S N 2 CHM 321: Summary of Important Concepts Concepts for Chapter 7: Substitution Reactions I. Nomenclature of
More informationSAN JOSE CITY COLLEGE INTRODUCTION TO CHEMISTRY 32B Spring March 9, 2009 Chapters 13, 14 and 17 Bettelheim, Brown, March
SAN JOSE CITY COLLEGE INTRODUCTION TO CHEMISTRY 32B Spring 2009 Name: ID#: Instructor: Dr. T. Johnson Time Allowed:1h 20 min March 9, 2009 Chapters 13, 14 and 17 Bettelheim, Brown, March 108 Points LEARNING
More informationUnit 5: Organic Chemistry
Unit 5: Organic Chemistry Organic chemistry: discipline in chemistry focussing strictly on the study of hydrocarbons compounds made up of carbon & hydrogen Organic compounds can contain other elements
More informationC h a p t e r N i n e: Addition Reactions of Alkenes
C h a p t e r N i n e: Addition Reactions of Alkenes. H C 2 H Biosynthesis of a prostaglandin from arachidonic acid: intermediate intramolecular radical addition CHM 321: Summary of Important Concepts
More informationChapter 10. BrCH 2 CH 2 CH 2 CCH 2 Br CH 3. CH 3 CCH 2 CH 2 Cl CH 3 CHCH 2 CH 2 CHCH Give IUPAC names for the following alkyl halides:
hapter 10 10.1 Give IUPA names for the following alkyl halides: (a), 3 2 2 2 I 1-iodobutane 3 (b), 3 2 2 l 1-chloro-3-methylbutane (c), 3 2 2 2 2 3 1,5-Dibromo-2,2-dimethylpentane 3 3 2 2 l (d), l 1,3-Dichloro-3-methylbutane
More information(Neither an oxidation or reduction: Addition or loss of H +, H 2 O, HX).
eactions of Alcohols Alcohols are versatile organic compounds since they undergo a wide variety of transformations the majority of which are either oxidation or reduction type reactions. xidation is a
More informationClass XII Chapter 11 Alcohols Phenols and Ethers Chemistry. Question 11.1: Write IUPAC names of the following compounds: (i) (ii) (iii) (iv) (v) (vi)
Question 11.1: Write IUPAC names of the following compounds: (iii) (iv) (v) (vi) (vii) (viii) Page 1 of 37 (ix) (x) (xi) (xii) 2, 2, 4-Trimethylpentan-3-ol 5-Ethylheptane-2, 4-diol (iii) Butane-2, 3-diol
More informationHALOALKANES AND HALOARENES
Unit - 10 HALOALKANES AND HALOARENES 1. Write the IUPAC names of the following compounds. Br CH = CH C CH (vi) (vii) (ix) (CCl 3 ) 3 CCl 103 XII Chemistry 2. Write the structure of following halogen compounds
More informationOrganic Chemistry. M. R. Naimi-Jamal. Faculty of Chemistry Iran University of Science & Technology
Organic Chemistry M. R. Naimi-Jamal Faculty of Chemistry Iran University of Science & Technology Chapter 7-1. Alkyl Halides Based on McMurry s Organic Chemistry, 6 th edition What Is an Alkyl Halide? An
More informationCH2710-Exam #5 (Katz)
C2710-Exam #5 (Katz) Name: Score: Section - Multiple Choice-Choose the BEST answer from the choices given and write the letter for that answer in the space provided. (50 pts) Consider the reaction below
More informationHalo Alkanes and Halo Arenes
alo Alkanes and alo Arenes Short Answer Questions: **1. Write the isomers of the compound having formula C 4 9 Br? Sol. There are five isomers of C 4 9 Br. These are: 2-bromobutane is expected to exhibit
More informationChemistry 51 Summer 2006 Final Exam
Chemistry 51 Summer 2006 Final Exam 1. This is a two-hour, closed book exam. All answers are to be put on the question sheets. 2. Use the backsides of these pages for scratch paper. None other permitted.
More informationChemistry 35 Exam 2 Answers - April 9, 2007
Chemistry 35 Exam 2 Answers - April 9, 2007 Problem 1. (14 points) Provide the products for the reactions shown below. If stereochemistry is important, be sure to indicate stereochemistry clearly. If no
More informationChapter 8 Alkenes and Alkynes II: Addition Reactions. Alkenes are electron rich. Additions to Alkenes
Additions to Alkenes Chapter 8 Alkenes and Alkynes II: Addition Reactions Generally the reaction is exothermic because one p and one s bond are converted to two s bonds Alkenes are electron rich The carbocation
More informationa) 1. O 3 2. (CH 3 ) 2 S
Name: 1 Chemistry 250B Final Exam December 19, 2008 Show non-zero formal charges on all atoms for all structures. There are 11 pages. 1. (42 pts) Complete the following reactions. Show the stereochemistry
More information1. CONCEPTS IN ORGANIC CHEMISTRY 2. SYNTHETIC ORGANIC CHEMISTRY 3. ISOMERISM II 4. HYDROCARBONS II 5. HALOALKANES. Vikasana - CET 2012
CET OBJECTIVE QUESTION ON 1. CONCEPTS IN ORGANIC CHEMISTRY 2. SYNTHETIC ORGANIC CHEMISTRY 3. ISOMERISM II 4. HYDROCARBONS II 5. HALOALKANES 1.The inductive effect a. Implies the atoms ability to cause
More informationChemistry 250B Final Exam Answer Key December 19, 2008
Name: NSWER KEY 1 hemistry 250 Final Exam nswer Key ecember 19, 2008 Show non-zero formal charges on all atoms for all structures. There are 11 pages. 1. (42 pts) omplete the following reactions. Show
More information