Which of the following is the preferred electrolyte for silver plating?

A g C l + H C l

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A g {N O}_{3} + H {N O}_{3}

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{A g}_{2} {S O}_{4}

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A g C N + N a C N

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Solution

The correct option is D $A g C N + N a C N$
Silver plating is an electroplating process utilizing an electrolyte containing silver cyanide solution and some free cyanide ions and operating at pH value not less than $8$ . Free cyanide prevents precipitation of silver cyanide salt from the solution, provides electrical conductivity of the electrolyte and helps in the dissolution of silver anodes.

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Similar questions

H {N O}_{3} + C a {(O H)}_{2} \to C a {({N O}_{3})}_{2} + H_{2} O

N a C l + A g {N O}_{3} \to A g C l + N a {N O}_{3}

B a {C l}_{2} + H_{2} {S O}_{4} \to B a {S O}_{4} + H C l

Balance the following chemical equations.

(a)

(b)

(c)

(d)

A g {N O}_{3} + N a C l \to N a {N O}_{3} + A g C l

{P b ({N O}_{3})}_{2} + 2 K I \to P b I_{2} + 2 K N O_{3}

2 N a O H + H_{2} {S O}_{4} \to {N a}_{2} {S O}_{4} + 2 H_{2} O

0.2 M

A g {N O}_{3}

0.2 M

H C l

A g C l

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