A gas mixture 3.67L in volume contain C2H4 and CH4 is proportion of 2:1 by moles and is at 25∘C and 1atm. If the △HC(C2H4) and △HC(CH4) are −1400 and −900kJ/mol. Find the heat evolved on burning this mixture.
A
20.91kJ
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B
50.88kJ
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C
185kJ
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D
160kJ
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Solution
The correct option is C185kJ The total mole of gas, n=PVRT