In a Daniel cell; the depolarizer; positive and negative electrodes are respectively?

A. copper sulphate, copper and zinc
B. manganese dioxide, carbon and zinc
C. sulphuric acid, lead oxide and lead
D. potassium hydroxide, nickel and iron.

Correct Answer:

Option A – copper sulphate, copper and zinc

Explanation

In the Daniel cell,
i. Depolarize = CuSO4 solution
ii. Positive electrode = Copper container
iii Negative electrode = zinc rod/plate