Question

FeS₂ + O₂ → Fe₂O₃ + SO₂
In the above equation the number of electrons lost by one
molecule of FeS₂ are –
(a) 6 (b) 2
(c) 1 (d) 11

Answer 1

Explanation:

4 Faraday

4 Faraday of electricity is required to liberate 2 moles of hydrogen gas.