Q. Cyanide process is used in the extraction of
A) Au
B) Cu
C) Ag
D) Both (a) and (c)
Explanation
(d)
Cyanide process is used in the extraction of both silver and gold because these form complex salts with $CN^{-}$ ion due to presence of lone pair of electron on nitrogen atom
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.