(SP%2710%20235)%20Quiz%2012 - 2 O as an impurity might give...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Chemistry 235 Due the week of April 12-16, 2010 Organic I George A. O’Doherty Quiz #12 Name There is a total of 10 points for this quiz. Answer all questions in the space provided. [I] (4 points) Draw (1 R ,3 R )-1,3-dimethylcyclohexane in its lowest energy conformation and then answer the following questions about the structure. a) Are the methyl groups cis or trans? b) Is the molecule chiral or achiral? [III] Please explain why a wet sample of cyclohexane (with H
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 2 O as an impurity) might give an IR that is confusing to interpret. (2 points) [VI] Please explain why the 1 H NMR of compound A (methoxy-acetone) has three singlets, yet the 1 H NMR for compound B (ethyl acetate) has two multiplets (triplet and quartet) and one singlet. (4 points) O O A methoxymethyl methylketone O O B ethyl acetate quartet singlet singlet singlet singlet triplet...
View Full Document

This note was uploaded on 09/18/2011 for the course CHEM 233 taught by Professor Shi during the Fall '08 term at WVU.

Ask a homework question - tutors are online