1.

HCN+H_(2)Orarr[X]+NH_(3), [X]rarr[Y]+H_(2)O (Unbalanced equations) [Y] May be prepared by which one of the following methods?

Answer»

By DEHYDRATION of Malonic acid with `P_(2)O_(5)`
By THERMAL decomposition of carbon sub - OXIDE in air.
By heating potassium hexacyanoferrate (II) with CONC. `H_(2)SO_(4)`
By the action of conc. `HNO_(3)` on charcoal.

Answer :C


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