1.

Which of the following reacts with nitrous acid

Answer»

Acetamide
2-Nitrobutane
2-methyl-2-nitropropane
Diethylamine

Solution :tert-Nitro compounds `(Me_(3)CNO_(2))` do not react with `HONO` because they do not have any `alpha-H`. The THREE OTHERS react with HONO as usual.
`underset(2^(@)"Nitroalkane")overset(C_(2)H_(5))overset(||)(CH_(3)CHNO_(2))overset(HONO)rarrunderset("Pseudonitrol(blue)")overset(N=O)overset(|)((CH_(3))_(2)CNO_(2))`


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