1.

Among the following compounds, the one(s) that gives (give) effervescence with aqueous NaHCO_(3) solution is (are) I. (CH_(3)CO)_(2)O (II). CH_(3)COOH III. PhOH IV. CH_(3)COCHO

Answer»

I and II
I and III
Only II
I and IV

SOLUTION :`(CH_(3)OH)_(2)O` reacts with `H_(2)O` to PRODUCE acetic acid `(CH_(3)COOH)`. Thus both `(CH_(3)CO)_(2)O` and `CH_(3)COOH` GIVE effervescence with an aqueous solution `NaHCO_(3)`.


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