1
MCQ (Single Correct Answer)

AIPMT 2015 Cancelled Paper

Given :



The enthalpy of hydrogenation of these compounds will be in the order as
A
II > III > I
B
II > I > III
C
I > II > III
D
III > II > I

Explanation

Enthalpy of hydrogenation is inversely proportional to the stability of alkenes.

Stability of alkenes : I $$>$$ II $$>$$ III

Enthalpy of hydrogenation : I $$<$$ II $$<$$ II
2
MCQ (Single Correct Answer)

AIPMT 2015 Cancelled Paper

A single compound of the structure,



is obtainable from ozonolysis of which of the following cyclic compounds?
A
B
C
D

Explanation

3
MCQ (Single Correct Answer)

AIPMT 2015

In the reaction with HCl, an alkene reacts in accordance with the Markovnikov's rule to give a product 1-chloro-1 methylcyclohexane. The possible alkene is
A
B
C
(A) and (B)
D

Explanation

4
MCQ (Single Correct Answer)

AIPMT 2015

2,3-Dimethyl-2-butene can be prepared by heating which of the following compounds with a strong acid?
A
(CH3)3CCH $$=$$ CH2
B
(CH3)2C $$=$$ CHCH2CH3
C
(CH3)2CHCH2CH $$=$$ CH2
D

Explanation

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