CHE202 - Practice Quiz 4 Powerpoint Answers

CHE202 - Practice Quiz 4 Powerpoint Answers - Chapter 20-22...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
10/11/10 Chapter 20-22 Problem Session April 21, 2009
Background image of page 1

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

View Full DocumentRight Arrow Icon
Dr. K Ahsan SP2009 1) Suggest a sequence of synthetic steps through which phenylacetic acid can be prepared from toluene Answer : 1st method nitrile Hydrolysis 1. Br2, hν or NBS 2. NaCN, acetone 3. H+, H2O 2nd method ( Grignard Method) 1. Br2, hν or NBS 2. Mg, ether 3. CO2 4. H+, H2O 2) The conversion of butanoic acid to 2-pentanone is best accomplished with: A) 1. thionyl chloride; 2. methylmagnesium bromide B) methyllithium C) 1. methanol, sulfuric acid; 2. methyllithium OH O O
Background image of page 2
Dr. K Ahsan SP2009 3) Provide the major organic product of the following reaction. HC(OCH 2 CH 3 ) 3 4) Identify the intermediates involved in the mechanism for the base-mediated transesterification of methyl benzoate with sodium ethoxide. a b c 3 + H O , heat → HCO 2 H + CH 3 CH 2 OH
Background image of page 3

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

View Full DocumentRight Arrow Icon
Dr. K Ahsan SP2009 5) Provide a detailed, stepwise mechanism for the reaction of ammonia with 6) Using C 2 H 5 OH as your only source of carbon compounds and using any other necessary inorganic
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 14

CHE202 - Practice Quiz 4 Powerpoint Answers - Chapter 20-22...

This preview shows document pages 1 - 5. Sign up to view the full document.

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