AIIMS2007Chemistry-Inorganic Chemistry
AIIMS 2007 Chemistry Cyanides MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Cyanogen gas is obtained in the reaction
A
CuSO₄(aq) + KCN →
B
K₄[Fe(CN)₆] -heat→
C
CH₃CN + H₂O → Δ
D
CH₃CONH₂ + P₂O₅ → Δ
Correct Answer
Option A
Detailed Explanation
On combining solution of copper (II) salts and cyanides, an unstable copper (III) cyanide is formed which rapidly decomposes into copper (I) cyanide and cyanogen.
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