A) Ag
B) Ni
C) Pt
D) Zn
Correct Answer: A
Solution :
Cyanide process is used for extraction of silver (Ag). \[4Ag+8NaOH+{{H}_{2}}O+{{O}_{2}}4Na[Ag{{(CN)}_{2}}]\]\[+\,4NaOH\] \[2Na[Ag{{(CN)}_{2}}]+4NaOH+Zn\xrightarrow{{}}\] \[N{{a}_{2}}Zn{{O}_{2}}+2{{H}_{2}}O+4NaCN+2Ag\]
You need to login to perform this action.
You will be redirected in
3 sec
