The article to be electroplated is always placed at__.

Q. Which of the following options are correct about electroplating?

i. The article to be electroplated is always placed at the anode.

ii. The electrolyte must contain ions of the metal which is to be plated on the article.

iii. A higher current for a shorter time should be used.

iv. A direct current should be used instead of an alternating current.

[1 mark]

Q. During electroplating by electrolysis, the article to be electroplated is:

Q. A metal article is to be electroplated with silver. The electrolyte selected is sodium argentocyanide.
(a) What kind of salt is sodium argentocyanide?
(b) Why is it preferred to silver nitrate as an electrolyte?
(c) State one condition to ensure that the deposit is smooth, firm and long lasting.
(d) Write the reaction taking place at the cathode.
(e) Write the reaction taking place at the anode.

Q. An article made of an ordinary metal is desired to be coated with gold by electroplating, then gold has to be: