8B_quiz8b-key

8B_quiz8b-key - Chem 8B winter 2008 Quiz#8B Name_KEY(Last...

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 #8B (Last, First) ( print clearly) TA name 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. [14] ________ 2. [8] ________ 3. [10] ________ 4. [8] ________ 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 8B 1. a) (4 pts) For the molecules shown below, circle the compound that has a more basic nitrogen and provide a brief explanation for your answer. O N H CH 3 N H CH 3 or O N H CH 3 The nitrogen of the amide is less basic because the lone pair is already shared in resonance with the carbonyl (see resonance structure) and so it is not available to grab a proton more basic because the lone pair is not shared in resonance so it is available to grab a proton (there is no carbonyl and the benzene ring is not directly connected) b) (4 pts) For the molecules shown below, circle the compound that is more reactive in a nucleophilic acyl substitution reaction with hydroxide ion ( OH). Provide a brief explanation for your answer. H
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_quiz8b-key - Chem 8B winter 2008 Quiz#8B Name_KEY(Last...

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