Q.
In Mac Arthur forrest method, silver is extracted from the solution of $Na\lbrack Ag(CN)_{2}\rbrack$ by the use of
A) Fe
B) Mg
C) Cu
D) Zn
Explanation
(d)
In Mac-Arthur-Forrest method silver is extracted from the solution of sodium argentocyanide by using zinc.
$2Na\lbrack Ag(CN)_{2}\rbrack + Zn \longrightarrow {Na}_{2}\lbrack Zn(CN)_{4}\rbrack + 2Ag \downarrow$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.