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When molten MgO was electrolysed for a certain period,150 mg of Mg was deposited on the cathode the volume of Oxygen gas in cc at STP condition liberated at anode during the same period is
Asked by bhavanamadhumohanan | 25 Apr, 2019, 12:32: PM
answered-by-expert Expert Answer
A t space C a t h o d e space minus space M g to the power of plus 2 end exponent space plus space 2 e to the power of minus space rightwards arrow space M g A t space A n o d e space minus space 2 O to the power of 2 minus end exponent space rightwards arrow space O subscript 2 space plus space 4 e to the power of minus O v e r a l l space r e a c t i o n space minus space 2 M g to the power of 2 plus end exponent space plus space 2 O to the power of 2 minus end exponent space rightwards arrow space 2 M g space plus space O subscript 2 S o comma space A c c o r d i n g space t o space t h e space r e a c t i o n space S i n c e space 2 space m o l e s space o f space M g space r e l e a s e s space 1 space m o l e space o f space O subscript 2 space g a s S o comma space fraction numerator 0.15 over denominator 24 end fraction space M o l e s space equals space fraction numerator 0.15 over denominator 48 end fraction space M o l e s space o f space O subscript 2 space g a s space equals fraction numerator 0.15 over denominator 48 end fraction cross times 22.4 space L space equals space 0.07 L space equals space 70 c c space o f space O subscript 2 space g a s space a t space S T P.
Answered by Sumit Chakrapani | 26 Apr, 2019, 07:04: AM

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