8B_quiz3a_key

8B_quiz3a_key - Chem 8B, winter 2008 Quiz #3A Name: _KEY_...

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

View Full Document Right Arrow Icon
Chem 8B, winter 2008 Name: ________ KEY ______________ Quiz #3A (Last, First) ( print clearly) TA or section: _________________________ • DO NOT start the quiz until you are instructed. • You must stop writing and turn in your quiz when time is called. • Ambiguous or incomplete answers will not get full credit. • Please give clear and concise answers – a single sentence or phrase should be sufficient to accurately convey the information required. “Brevity is the soul of wit” – Shakespeare Problem # Score 1. [7] ________ 2. [12] ________ 3. [15] ________ 4. [6] ________ Total [40] ________/40 Bonus [5] _________
Background image of page 1

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

View Full DocumentRight Arrow Icon
Chem 8B, quiz 3A 1. Multiple choice and ranking i. (2 pts) Which of the following is not a chemical or metabolic oxidizing agent? a) O 2 b) NaBH 4 c) aldehyde dehydrogenase d) KMnO 4 e) Tollens reagent (AgNO 3 , NH 4 OH) ii. (2 pts) Relative to the others listed, which of the following is least nucleophilic? a) KCN b) NaBH 4 c) CH 3 NH 2 d) LiOH iii) (3 pts) Rank the following compounds according to their relative reactivity in an electrophilic aromatic substitution reaction, where 1 = most reactive and 3 = least reactive. The amine is an electron-donating group that activates the benzene ring, and the carbonyl is an electron-withdrawing group that deactivates. Practice drawing the resonance structures to convince yourself. See problem 5.12abc 2. Properties of carbonyl compounds (4 pts each): a) Briefly explain why acetone (a ketone) is soluble in water. The oxygen has lone pairs that can hydrogen-bond with the water
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.

This note was uploaded on 03/12/2009 for the course CHE 8B taught by Professor Lievens during the Winter '07 term at UC Davis.

Page1 / 4

8B_quiz3a_key - Chem 8B, winter 2008 Quiz #3A Name: _KEY_...

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