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When molten magnesium oxide was electrol...

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^3` at STP conditions liberated at the anode during the same period is

A

140

B

280

C

70

D

120

Text Solution

Verified by Experts

The correct Answer is:
240
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