1. Hot KMnO4 treatment of a compound yields (CH3)2C=O, CH3COOH, and HOOCCH2COOH.

Question

1.  Hot KMnO4 treatment of a compound yields (CH3)2C=O, CH3COOH, and HOOCCH2COOH.  What is its structure?

A)  CH3CH=CHCH2CH=C(CH3)2  B)  (CH3)2C=CHCH2CtriplebondCCH3  C)  (CH3)2C=CHCH2CtriplebondCCH3  D)  Either A or B.

2.  What is the correct order of decreasing heats of hydrogenation of the following Dienes.  

I.  3-Methyl-1,3-Hexadiene  II.  3-Methyl-1,5-Hexadiene  III.  4-Methyl-1,2-Hexadiene

A)  I > II > III  B)  I > III > II  C)  II > I > III  D)  III > II > I

3)  Which hydrogen atom(s) of the structure 4-Methyl-2,5-Heptadiene is/are most susceptible to abstraction of free radicals?

A)  Hydrogens attached to c-1  B)  Hydrogen attached to c-2  C) Hydrogen attached to c-3  D)  Hydrogen attached to c-4                  E)  Hydrogens attached to the Methyl group.

Explanation / Answer

1

A

2

A

3

D

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