Aldehydes and Ketones - Result Question 64

75. Write the structure of the major organic product expected from the following reaction.

$(1992,1 M)$

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Solution:

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(Cannizzaro reaction)

In cross-Cannizzaro reaction, methanal is always oxidised.

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II is less stable than I because II is less substituted enol. Acetone has greater enol content than ethanal

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Therefore, overall enol-content order is $D < C < B < A $