In the silver plating of copper, K[Ag(CN)₂] is used instead of AgNO₃. The reason

In The Silver Plating Of Copper Kagcn Is Used Instead Chemistry QuestionIn The Silver Plating Of Copper Kagcn Is Used Instead Chemistry Question

In the silver plating of copper, K[Ag(CN)₂] is used instead of AgNO₃. The reason is

Options

(a) a thin layer of Ag is formed on Cu
(b) more voltage is required
(c) Ag⁺ ions are completely removed from solution
(d) less availability of Ag⁺ ions,as Cu can not displace Ag from [Ag(CN)₂]⁻ ion

Correct Answer:

less availability of Ag⁺ ions,as Cu can not displace Ag from [Ag(CN)₂]⁻ ion

Explanation:

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