1
MCQ (Single Correct Answer)

AIPMT 2009

Consider the following reaction :


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

Explanation

2
MCQ (Single Correct Answer)

AIPMT 2007

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
3
MCQ (Single Correct Answer)

AIPMT 2006

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
4
MCQ (Single Correct Answer)

AIPMT 2006

Ethylene oxide when treated with Grignard reagent yields
A
primary alcohol
B
secondary alcohol
C
tertiary alcohol
D
cyclopropyl alcohol

Explanation

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