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OtisamLMS
Chemistry

Chemistry · Quick practice · answer shown after each question

Faraday's laws of electrolysis

Question 1 of 10

Question 1 of 10

A current of 5 A flows for 10 minutes. How much charge passes?

Question 2 of 10

Question 2 of 10

A current of 5 A flowing for 100 s delivers ___ C of charge.

Question 3 of 10

Question 3 of 10

Faraday's second law states that the masses of different substances liberated by the same quantity of electricity are

Question 4 of 10

Question 4 of 10

A current of 1 A flows for 30 minutes. How much charge passes?

Question 5 of 10

Question 5 of 10

A current of 0.5 A flows for 64 minutes. How much charge passes?

Question 6 of 10

Question 6 of 10

How many coulombs are needed to deposit 0.05 mol of zinc from Zn²⁺ ions? (F = 96,500 C/mol)

Question 7 of 10

Question 7 of 10

Faraday's first law states that the mass of a substance liberated at an electrode is

Question 8 of 10

Question 8 of 10

A current of 2 A flowing for 300 s delivers ___ C of charge.

Question 9 of 10

Question 9 of 10

A current of 2 A is passed through a solution containing Ag⁺ ions for 16 minutes. What mass of silver is deposited? (silver = 108, F = 96,500 C/mol)

Question 10 of 10

Question 10 of 10

The same charge that deposits 1 mol of silver will deposit

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.