Exam-2-Spring09

Exam-2-Spring09 - CHE 202A/204A Spring 2009 Midterm Exam-2...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
CHE 202A/204A Spring 2009 Midterm Exam-2 March 04, 2009 Name: Person #: Section (202A or 204A): Signature: Problem Maximum points Actual points 1. 50 2. 10 3. 20 4. 10 5. 20 6. 40 7. (extra credit) 10 Total maximum 160 Your total
Background image of page 1

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

View Full DocumentRight Arrow Icon
1. Circle the correct answer: (50 pts) (1) Benzyl alcohol can undergo: a. S N 1 reaction more easily than S N 2 reaction. b. S N 2 reaction more easily than S N 1 reaction. c. either S N 1 or S N 2 reaction depending on the reaction condition. d. neither S N 1 nor S N 2 reaction under any conditions. (2) How many transition state(s) is (are) involved in a Diels-Alder reaction? a. 0 b. 1 c. 2 d. 3 e. 4 (3) A conjugated diene is a. as stable as two isolated double bonds. b. as stable as a benzene ring. c. more stable than two isolated double bonds. d. always flat. e. polarized. (4) In the electrophilic addition of Br 2 a conjugated diene, 1,2- and 1,4-addition often compete with each other because of: a. the presence of a positive charge at position 1.
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 7

Exam-2-Spring09 - CHE 202A/204A Spring 2009 Midterm Exam-2...

This preview shows document pages 1 - 3. Sign up to view the full document.

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