Q. Assertion -dimethyl propanal give Cannizaro reaction with concentrated .
Reason Cannizaro is a disproportionation reaction.

 2362  192 AIIMSAIIMS 2010 Report Error

Solution:

-dimethyl propanal has no atom, thus, readily undergoes Cannizaro reaction, as
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The reactions in which same compound undergoes oxidation and reduction, are called disproportionation reactions. Hence, Cannizaro reaction is a disproportionation reaction.