1.

The electrolytes usually used in th electroplating of gold and silver, respectively, are (1) [Au(CN)2] – and [AgCl2] – (2) [Au(CN)2] – and [Ag(CN)2] – (3) [Au(NH3)2] + and [Ag(CN)2] – (4) [Au(OH)4] – and [Ag(OH)2]

Answer»

The correct option is (2).

Explanation:

The electrolytes usually used in the electroplating of gold & silver, respectively are :

[Au(CN)2]θ and [Ag(CN)2]θ



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