Chem 30A Fall 2004 QUIZ #1A (15 Min) Weds October 13th
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1 Last First MI Student ID Number: Total Score ircle the name of your T: PHIL DM RI HETHER Discussion Section Day: Time: / 30 hem 30 Fall 2004 QUIZ #1 (15 Min) Weds ctober 13th INTERPRETTIN F THE QUESTINS IS PRT F THE EXM D NT SK FR THE QUESTINS T E EXPLINED T YU NLY NSWERS WRITTEN IN THE XES PRVIDED WILL E GRDED ***D NT PEN THIS EXM UNTIL INSTRUTED T D S*** Q1 Q2 Total "nd how is education supposed to make me feel smarter? esides, every time I learn something new, it pushes some old stuff out of my brain. Remember when I took that home winemaking course, and I forgot how to drive? Homer Simpson
2 1. In perhaps some of the most inane chemical research ever performed, Jim Tour and his research group at Rice University made some molecules that look like people. How cute. He calls them the NanoPutians. How cute. Please answer the questions below about NanoJester the molecule drawn in line formula below. (23 points) What is the total number of carbon atoms? (4 points) What is the total number of hydrogen atoms? (4 points) What is the total number of sp 3 hybridized atoms? (4 points) What is the hybridization of carbon atom? (2 points) What is the hybridization of carbon atom? (2 points) What is the hybridization of carbon atom? (2 points) What is the total number of electron lone pairs? (2 points) What is the total number of π bonds? (3 points) 1
3 2. (a) For the structure shown below, what is the hybridization state of atoms,, and, as drawn? (6 points) Hybridization of H 3 N N N Hybridization of Hybridization of (b) Draw a reasonable resonance contributor IN WHIH TMS, and, LL HVE FULL TET, showing the arrows you need to convert EH resonance form into the other. In the structure you draw, include all formal charges and lone pairs. (6 points) H 3 N N N 2
4 Last First MI Student ID Number: Total Score ircle the name of your T: PHIL DM RI HETHER Discussion Section Day: Time: / 30 hem 30 Fall 2004 QUIZ #1 (15 Min) Weds ctober 13th INTERPRETTIN F THE QUESTINS IS PRT F THE EXM D NT SK FR THE QUESTINS T E EXPLINED T YU NLY NSWERS WRITTEN IN THE XES PRVIDED WILL E GRDED ***D NT PEN THIS EXM UNTIL INSTRUTED T D S*** Q1 Q2 Total "nd how is education supposed to make me feel smarter? esides, every time I learn something new, it pushes some old stuff out of my brain. Remember when I took that home winemaking course, and I forgot how to drive? Homer Simpson
5 1. In perhaps some of the most inane chemical research ever performed, Jim Tour and his research group at Rice University made some molecules that look like people. How cute. He calls them the NanoPutians. How cute. Please answer the questions below about NanoPilgrim the molecule drawn in line formula below. (23 points) What is the total number of carbon atoms? (4 points) What is the total number of hydrogen atoms? (4 points) What is the total number of sp 3 hybridized atoms? (4 points) What is the hybridization of carbon atom? (2 points) What is the hybridization of carbon atom? (2 points) What is the hybridization of carbon atom? (2 points) What is the total number of electron lone pairs? (2 points) What is the total number of π bonds? (3 points) 1
6 2. (a) For the structure shown below, what is the hybridization state of atoms,, and, as drawn? (6 points) Hybridization of H 3 N Hybridization of Hybridization of (b) Draw a reasonable resonance contributor IN WHIH TMS, and, LL HVE FULL TET, showing the arrows you need to convert EH resonance form into the other. In the structure you draw, include all formal charges and lone pairs. (6 points) H 3 N 2
7 Last First MI Student ID Number: Total Score ircle the name of your T: PHIL DM RI HETHER Discussion Section Day: Time: / 30 hem 30 Fall 2004 QUIZ #1 (15 Min) Weds ctober 13th INTERPRETTIN F THE QUESTINS IS PRT F THE EXM D NT SK FR THE QUESTINS T E EXPLINED T YU NLY NSWERS WRITTEN IN THE XES PRVIDED WILL E GRDED ***D NT PEN THIS EXM UNTIL INSTRUTED T D S*** Q1 Q2 Total "nd how is education supposed to make me feel smarter? esides, every time I learn something new, it pushes some old stuff out of my brain. Remember when I took that home winemaking course, and I forgot how to drive? Homer Simpson
8 1. In perhaps some of the most inane chemical research ever performed, Jim Tour and his research group at Rice University made some molecules that look like people. How cute. He calls them the NanoPutians. How cute. Please answer the questions below about NanoKid the molecule drawn in line formula below. (23 points) What is the total number of carbon atoms? (4 points) What is the total number of hydrogen atoms? (4 points) What is the total number of sp 3 hybridized atoms? (4 points) What is the hybridization of carbon atom? (2 points) What is the hybridization of carbon atom? (2 points) What is the hybridization of carbon atom? (2 points) What is the total number of electron lone pairs? (2 points) What is the total number of π bonds? (3 points) 1
9 2. (a) For the structure shown below, what is the hybridization state of atoms,, and, as drawn? (6 points). Hybridization of H 3 N Hybridization of Hybridization of (b) Draw a reasonable resonance contributor IN WHIH TMS, and, LL HVE FULL TET, showing the arrows you need to convert EH resonance form into the other. In the structure you draw, include all formal charges and lone pairs. (6 points) H 3 N 2
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