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Question
The following data are obtained when dinitrogen and dioxygen react together to form different compounds:
Mass of dinitrogen Mass of dioxygen 14 g 16 g 14 g 32 g 28 g 32 g 28 g 80 g
Which law of chemical combination is obeyed by the above experimental data?
The following data are obtained when dinitrogen and dioxygen react together to form different compounds:
| Mass of dinitrogen | Mass of dioxygen |
| 14 g | 16 g |
| 14 g | 32 g |
| 28 g | 32 g |
| 28 g | 80 g |
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Solution
The correct option is C Law of multiple proportions
Fixing the mass of dinitrogen as 14 g, the mass of dioxygen combined varies as 16,32. The reactants are in the ration 1:1 and 1:2, respectively and forms different compounds.Similarly other ratio of the reactants are 2:1,2:5 in case of fixing mass of N2 as 28 g and varing mass of O2 as 32 g and 80 g respectively.Here two elements combine to form more than one compound and the masses of one element that combine with a fixed mass of the other element, are in the ratio of small whole numbers. Thus they follow the law of multiple proportions.thus option C is correct.
Fixing the mass of dinitrogen as 14 g, the mass of dioxygen combined varies as 16,32. The reactants are in the ration 1:1 and 1:2, respectively and forms different compounds.
Similarly other ratio of the reactants are 2:1,2:5 in case of fixing mass of N2 as 28 g and varing mass of O2 as 32 g and 80 g respectively.
Here two elements combine to form more than one compound and the masses of one element that combine with a fixed mass of the other element, are in the ratio of small whole numbers. Thus they follow the law of multiple proportions.
thus option C is correct.
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