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In the equatio, 4M + 8 CN^(-) + 2 H2...

In the equatio, ` 4M + 8 CN^(-) + 2 H_2O + O_2 to 4 [M(CN)_2]^(-) + 4 OH ^(-)`, the metal M is

A

Copper

B

Iron

C

Gold

D

Zinc

Text Solution

Verified by Experts

The correct Answer is:
C
`4Au + 8KCN + 2H_2O + O_2 to underset(("Soluble complex"))(4K[Au(CN)_2]) + 4KOH`.
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