Q.
A compound contains 69.5% oxygen and 30.5% nitrogen and its molecular weight is 92.The molecular formula of the compound is ____?
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a
N2O
b
NO2
c
N2O4
d
N2O5
answer is C.
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Detailed Solution
N=30.514=2.17O=69.516=4.34 simple ratio =1:2 Empirical formula =NO2 and molecular weight = 92Therefore, Molecular formula =2×NO2=N2O4
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