Q.

A compound contains 69.5% oxygen, 30.5% nitrogen and its molecular weight is 92. The formula of compound is

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a

N2O

b

NO2

c

N2O4

d

N2O5

answer is C.

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Detailed Solution

Empirical formula =NO2Empirical formula weight = 46                             n=9246=2⇒ Molecular formula =NO22=N2O4
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