Name the metal M, which is extracted on the basis of following equations. 4M(s) + 8CN-(aq) + 2H2O(aq) + O2(g) → 4[M(CN)2]-(aq) + 4OH-(aq) 2[M(CN)2]-(aq) + Zn(s) → [Zn(CN)4]2-(aq) + 2M(s)

Question

Name the metal M, which is extracted on the basis of following equations. 4M(s) + 8CN-(aq) + 2H2O(aq) + O2(g) → 4[M(CN)2]-(aq) + 4OH-(aq) 2[M(CN)2]-(aq) + Zn(s) → [Zn(CN)4]2-(aq) + 2M(s) (A) Iron (B) Nickel (C) Gold (D) Copper

Tardigrade Admin · Accepted Answer

4Au + 8 NaCN + 2H2O + O2 → 4Na[Au(CN)2] + 4NaOH 2Na[Au(CN)2] + Zn → Na2[Zn(CN)4] + 2Au

Q. Name the metal $M$ , which is extracted on the basis of following equations.
$4 M_{(s)} + 8 C N_{(a q)}^{-} + 2 H_{2} O_{(a q)} + O_{2 (g)} \to 4 [M (CN)_{2}]_{(a q)}^{-} + 4 O H_{(a q)}^{-}$
$2 [M (CN)_{2}]_{(a q)}^{-} + Z n_{(s)} \to [Z n (CN)_{4}]_{(a q)}^{2 -} + 2 M_{(s)}$

Iron

Nickel

Gold

Copper

$4 A u + 8 N a CN + 2 H_{2} O + O_{2} \to$
$4 N a [A u (CN)_{2}] + 4 N a O H$
$2 N a [A u (CN)_{2}] + Z n \to N a_{2} [Z n (CN)_{4}] + 2 A u$

Q. Name the metal M, which is extracted on the basis of following equations. 4M(s)​+8CN(aq)−​+2H2​O(aq)​+O2(g)​→4[M(CN)2​](aq)−​+4OH(aq)−​ 2[M(CN)2​](aq)−​+Zn(s)​→[Zn(CN)4​](aq)2−​+2M(s)​