1.

Compound X with a molecular formula C_(4)H_(11)N did not react with Hinsberg's reagent, but reacted with one mole of CH_(3)I to form a salt. What is the structure of X ?

Answer»

Solution :The structure of X is `UNDERSET("N, N-Dimethylethanamine")(H_(3)C-overset(C_(2)H_(5))overset("|")underset(CH_(3))underset("|")("N": ))`
Since the compound does not react with `HNO_(2)`, it must be a TERTIARY amine. Tertiary amine reacts with one mole of `CH_(3)I` to from a quaternary SALT i.e. `[(CH_(3))_(3)N^(+)-C_(2)H_(5)]I^(-)`.


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