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

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:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. Phenol on reaction with bromine water would give
  2. Which of the following is the least stable and its existence is doubtful
  3. When excess ammonia is added to CuSO₄ solution the deep blue complex obtained is
  4. In the conversion of Br₂ to BrO₃⁻, the oxidation number of Br changes from
  5. The reagent with which both acetaldehyde and acetone react easily is