Assertion :Malonic acid $(H O O C - C H_{2} C O O H)$ does not form cyclic anhydride on heating. Reason: It is like $β$ -keto acid, on heating it prefer to decarboxylate.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Malonic acid $(H O O C - C H_{2} C O O H)$ does not form cyclic anhydride on heating due to formation of unstable ring.
$β$ -keto acid, prefer to decarboxylate on heating because of -I effect of keto group as

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