A gaseous mixture of N2 and O2 containing 60% by mol N2 is allowed to react with each other according to the following equation: N2+O2→NO2 If 92 g of NO2 is formed, find the mole of N2 present in the mixture.
A
3
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B
6
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C
8
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D
2
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Solution
The correct option is D2 Let the total number of moles of gases in the mixture is x. 12N20.6x+O20.4x→NO20.4x 0.4x×46=92 [Given] x=20.4 So, 0.6x=20.4×0.6=3.