The law of definite proportions is not applicable to nitrogen oxides because_____?

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Nitrogen’s atomic weight is not constant.

Nitrogen’s molecular weight is variable.

Nitrogen’s equivalent weight is variable

Oxygen atomic weight is variable

answer is C.

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Detailed Solution

Equivalent weight of Nitrogen differs in different oxides of Nitrogen. When nitrogen and oxygen combine, different oxides of nitrogen are obtained which contain different composition of Nitrogen and Oxygen. Different oxides of Nitrogen exhibit law of multiple proportions rather than law of constant proportion.

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