ICSE Class 10 Chemistry 2016 Solved Paper

Give reasons why:

Question : 74

Total: 85

In the electroplating of an article with silver, the electrolyte sodium argento-cyanide solution is preferred over silver nitrate solution.

Solution:

Silver nitrate solution undergoes rapid dissociation that can cause non-uniform coating therefore it is not preferred. Whereas sodium argentocyanide to cyanide solution is a complex salt and undergoes slow decomposition and ensure smooth and uniform coating.

Go to Question:

Prev Question

Next Question