Question:

Complexes formed in the cyanide process are:

Updated On: Jul 28, 2024
  • (A) [Au(CN)2]-
  • (B) [Ag(CN)2]-
  • (C) [Cu(CN)2]-
  • (D) [Zn(CN)2]-
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The Correct Option is C, D

Solution and Explanation

Explanation:
During metal displacement:2[Ag(CN)2]+Zn[Zn(CN)4]2+2Ag2[Au(CN)2]+Zn[Zn(CN)4]2+2Au
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