The volume of gases evolved by passing 0.965 ampere current for 10 hours through an aqueous solution of CH3COONa at STP.
A
8.06L
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B
16.13L
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C
32.24L
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D
1.76L
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Solution
The correct option is B16.13L Reaction
At Cathode : 2H2O+2e−→H2+2OH−
At Anode : 2CH3COO−→C2H6+2CO2+2e−2H2O+CH3COO−→H2(g)+C2H2(g)+2CO2(g)+2OH− No. of Faraday=0.965×10×60×6096500=0.36
If 2 moles e− was transferred, the moles of gases produced =4 ∴For 0.36 moles gases produced=42×0.36mole =0.72mole ∴Volume=16.13L