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Preparation of Haloalkanes from Alcohol

Arrange the f...

Question

Arrange the following carbonyl compounds in decreasing order of their reactivity in nucleophilic addition reaction.

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iii

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>

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iii

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iii

>

>

>

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iii

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>

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Solution

The correct option is B ii $>$ i $>$ iv $>$ iii

Aldehydes are more reactive than ketone because they are less bulky than ketone.
And, electron withdrawing groups must be attached to reduce electron density towards nucleophilic substitution.
So, $- N O_{2}$ has high reactivity
(Refer to Image)

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Arrange the following carbonyl compounds in decreasing order of their reactivity in nucleophilic addition reaction.

The correct option is B ii > i > iv > iiiAldehydes are more reactive than ketone because they are less bulky than ketone.And, electron withdrawing groups must be attached to reduce electron density towards nucleophilic substitution.So, −NO2 has high reactivity(Refer to Image)

The correct option is B ii $>$ i $>$ iv $>$ iii

Aldehydes are more reactive than ketone because they are less bulky than ketone.
And, electron withdrawing groups must be attached to reduce electron density towards nucleophilic substitution.
So, $- N O_{2}$ has high reactivity
(Refer to Image)