Complexes formed in the cyanide process are: | Chemistry | SolveeIt | Solveeit

Today, August 19

Question

Complexes formed in the cyanide process are:

A

(A) [Au(CN)2]-

B

(B) [Ag(CN)2]-

C

(C) [Cu(CN)2]-

D

(D) [Zn(CN)2]-

Answer

(C) [Cu(CN)2]-

Explanation

Solution

Explanation:
During metal displacement:2[Ag(CN)2]−+Zn⟶[Zn(CN)4]2−+2Ag↓2[Au(CN)2]−+Zn⟶[Zn(CN)4]2−+2Au↓