Organic Chemistry II - Test 2008 Section B

Organic Chemistry II - Test 2008 Section B - CHM 2120 Test...

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

View Full Document Right Arrow Icon
CHM 2120 Test±–± ANSWERS September 23, 2008 First Name: _____________________ Last Name: _______________________ Student Number: ______________________ Section: A (MRN Aud): ___________ B (UCU Aud): ___________ Approximate total number of marks:
Background image of page 1

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

View Full Document Right Arrow Icon
Test ANSWERS 2 1. Draw the following molecules as full Lewis structures and name them. (6 points) a. CH 3 CHCHCH 2 CH(OH)CH 3 2 pts: structure 1 pt: name HC H H C H C H C H H C H O C H H H H hex-4-en-2-ol b. NaOAc 2 pts: structure 1 pt: name O C O C H H H sodium acetate Na or O C O C H H H Na 2. a. Draw the important resonance forms using arrows to show the movement of electrons. (4 points) b. Rank the resonance structures. (2 points) c. Justify your ranking. (5 points) N O CH 3 N O CH 3 N O CH 3 Major Minor Intermediate - all atoms have octets - No charges The C + lacks an octet - All atoms have full octets - 2 charges 1po int 1po int Structure: 1po in t Structure: 1po in t Extra, wrong structures (pentavalent carbon, etc): -1
Background image of page 2
Test ANSWERS 3 3. a. Draw the mechanism and products for the following reaction. (5 points) b. Will the reaction favour starting materials or products? (1 point) c. Justify your choice in part b. (3 points)
Background image of page 3

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

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

{[ snackBarMessage ]}

Page1 / 8

Organic Chemistry II - Test 2008 Section B - CHM 2120 Test...

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