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:

(Cannizzaro reaction)

In cross-Cannizzaro reaction, methanal is always oxidised.

$B$

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

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



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