Q.

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

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a

NO2

b

N2O4

c

N2O5

d

N2O

answer is C.

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Detailed Solution

A compound of oxygen is 69.5%

 The compound of nitrogen is 30.5%

0.69516×92=O40.30514×92=N2

Thus, the molecular formula of that compound is N2O4.

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