1.

CH_(3)CH_(2)NO_(2) underset(at 0^(@)C)overset(NaNO_(2)+HBr)(rarr) (A). (A) is

Answer»

a.`CH_(3)CH_(2)OH`
b.`CH_(3)CH_(2)OH`
c.`CH_(3)underset(NO_(2))underset(|)(C )=N.OH`
d.`No reaction`

Solution :The `1^(@) (RNO_(2))` GROUP REACTS with `HNO_(2) (NaNO_(2) + HBr rarr HNO_(2)+NaBr)` to give nitrolic acid, which gives BLOOD red colour with `NaOH`.

So the answer is `(c )`.


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