Question

Complex is formed in the extraction of.

• A.
• B.
• C.
• D.

Answer 1

Answer: (C)

Answer 2

Hydrometallurgy

$\mathrm { Ag } _ { 2 } \mathrm {~S} + 4 \mathrm { NaCN } \rightarrow 2 \mathrm { Na } \left[ \mathrm { Ag } ( \mathrm { CN } ) _ { 2 } \right] + \mathrm { Na } _ { 2 } \mathrm {~S}$ $2 \mathrm { Na } \left[ \mathrm { Ag } ( \mathrm { CN } ) _ { 2 } \right] + \mathrm { Zn } \rightarrow \mathrm { Na } _ { 2 } \left[ \mathrm { Zn } ( \mathrm { CN } ) _ { 4 } \right] + 2 \mathrm { Ag }$