(A) CCl₃-CHO on treatment with an alkali to form chloroform and formate ion but not
undergo Cannizaro’s reaction even though no hydrogen.
(R) H–is not transfer does not take place because CCl₃, is a good leaving group.

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Both (A) and (R) are true and (R) is the correct explanation of (A)

Both (A) and (R) are true but (R) is not the correct explanation of (A)

(A) is true but (R) is false

Both (A) and (R) are false

answer is A.

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Detailed Solution

Instead of going through Cannizzaro’s reaction, chloral (CCl₃CHO) creates chloroform after the base is attacked.

The leaving group is better the more stable the anion (it costs less energy to leave). In contrast to CH₃, where there is no charge delocalization, CCl₃ is a really good leaving group because the negative charge is dispersed partially onto the electronegative chlorine atoms.

Hence, Option A is correct

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