Midterm 1 Collated Answer Key

Midterm 1 Collated Answer Key - Dr. Steven Pedersen October...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Dr. Steven Pedersen October 4, 2010 Chemistry 3A Midterm 1 Student name: ANSWERS Student signature: ______________________________________ TA’s name or section number:_______________________________ Problem 1 ________ (24 pts) Problem 2 ________ (30 pts) Problem 3 ________ (20 pts) Problem 4 ________ (20 pts) Problem 5 ________ (36 pts) Problem 6 ________ (20 pts) Total Points _________ (150 pts) No Calculators Allowed No Molecular Models Allowed Be Sure Your Exam has 7 Pages 1 H 2 He 3 Li 4 Be 5 B 6 C 7 N 8 O 9 F 10 Ne 11 Na 12 Mg 13 Al 14 Si 15 P 16 S 17 Cl 18 Ar 19 K 20 Ca 35 Br 36 Kr 53 I 54 Xe
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 1. There will be NO partial credit for this problem. Avoid careless errors by checking over your answers. (24 pts) A. Provide a systematic name for each of the following compounds. Use common nomenclature for any branched substituents. Cl Cl Br Br 3,3-dibromo-4,4-dichlorohexane OR 3,3-dichloro-4,4-dibromohexane spiro[4.5]decane OR spiro[5.4]decane cis-1,2-dimethylcyclohexane 4-isopropyloctane OR 5-isopropyloctane B. Draw a structure for each of the following names. For cycloalkanes use flat rings. For all others use bond-line notation. trans - 1-isobutyl-3-methylcyclobutane sec -butylbromide tert -butylfluoride cis - 1,3-diisopropylcyclopentane Br F
Background image of page 2
3 2. (30 pts) A. Two resonance structures for the nitrosyl cation are shown. Use an appropriate electron-pushing arrow(s) to show how the structure on the left is “converted” to the structure on the right. N O N O MAJOR B. In Part A, write the word MAJOR underneath the major contributor. Briefly explain your choice in the space below (no credit for no explanation). Of the two resonance structures shown, this is the only one that has complete octets on both atoms.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/29/2010 for the course CHEM 3A taught by Professor Fretchet during the Fall '08 term at University of California, Berkeley.

Page1 / 8

Midterm 1 Collated Answer Key - Dr. Steven Pedersen October...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online