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1

AIPMT 2009

MCQ (Single Correct Answer)
HOCH2CH2OH on heating with periodic acid gives
A
2HCOOH
B
C
D
2CO2

Explanation

2

AIPMT 2009

MCQ (Single Correct Answer)
Consider the following reaction :


the product Z is
A
benzaldehyde
B
benzoic acid
C
benzene
D
toluene

Explanation

3

AIPMT 2007

MCQ (Single Correct Answer)
In the reaction :

Which of the following compounds will be formed?
A
B
C
D

Explanation

In the cleavage of mixed ethers with two different alkyl groups, the alcohol and alkyl iodide that form depend on the nature of alkyl group. When primary or secondary alkyl groups are present, it is the lower alkyl group that forms alkyl iodide therefore
4

AIPMT 2006

MCQ (Single Correct Answer)
The major organic product in the reaction is

CH3 $$-$$ O $$-$$ CH(CH3)2 + HI $$ \to $$ products
A
CH3I + (CH3)2CHOH
B
CH3OH + (CH3)2CHI
C
ICH2OCH(CH3)2
D

Explanation

In case of unsymmetric ethers when treated with HI then I attaches to smaller and less complex alkyl group as it follows SN2 mechanism

CH3 $$-$$ O $$-$$ CH(CH3)2 + HI $$ \to $$ CH3I + (CH3)2CHOH

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