In the equation: 4 {M}+8 {CN}^{-}+2 {H}_{2} {O}+{O}_{2} \\to4[{M}({CN})_{2}]^{-} +4 {OH}^{-} Identify the metal {M} :

JEE Advanced 2021 Full Test 4 Paper 1

PART – II

Chemistry

SECTION – A (One Options Correct Type)
This section contains 06 multiple choice questions. Each question has four choices (A), (B), (C) and (D), out of which ONLY ONE option is correct

Question : 23 of 54

Marks: +1, -0

In the equation: 4M+8CN−+2H2O+O2→4[M(CN)2]− +4OH−
Identify the metal M :

Iron
Copper
Zinc
Gold

Validate

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