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Assertion (A) : Reactivity of ketones is more than aldehydes.Reason (R) : The carbonyl carbon of ketones is less electrophilic ascompared to aldehydes.

Question

Assertion (A) : Reactivity of ketones is more than aldehydes.Reason (R) : The carbonyl carbon of ketones is less electrophilic ascompared to aldehydes.

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Solution

The assertion (A) is incorrect while the reason (R) is correct.

The reactivity of aldehydes is more than that of ketones. This is because aldehydes have only one alkyl group attached to the carbonyl carbon, which releases electrons towards the carbonyl group, reducing its electrophilicity. On the other hand, ketones have two alkyl groups attached to the carbonyl carbon, which release more electrons towards the carbonyl group, reducing its electrophilicity even more. Therefore, the carbonyl carbon in aldehydes is more electrophilic (and thus more reactive) than in ketones.

So, the assertion is incorrect because ketones are less reactive than aldehydes, not more. The reason is correct because the carbonyl

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