Question

When molten magnesium oxide was electrolysed
for a certain period, 150 mg of Mg was deposited
on the cathode. The volume of oxygen gas in cm at
STP conditions liberated at the anode during the same
period is (Atomic mass of Mg = 24 g mol-1)
(a) 140 (b) 280 (c) 70 (d) 120
(e) 240
(2014)​

Answer 1

Answer:

Explanation:

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