The following data are obtained when dinitrogen and dioxygen react together to form different compounds:
Mass of dinitrogen Mass of dioxygen
14g 16 g
14g 32g
28g 32 g
28g 96 g
Which law of chemical combination is obeyed by the above experimental data?

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Law of conservation of mass

Law of definite proportions

Law of multiple proportions

Avogadro's Law

answer is C.

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Detailed Solution

According to the law of multiple proportions, "if two elements combine to form more than one compound, the masses of one element that combine with a fixed mass of the other element, are in the ratio of small whole numbers."
Fixing the mass of dinitrogen as 28 g, masses of dioxygen combined will be 32, 64, 32 and 96 in the given figures.
They are in the ratio of 1 : 2 : 1 : 3.

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