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In which question should we first check same two elements and different compounds?

Answer and explanation

Correct answer: In a question on multiple proportions

The governing concept is the law of multiple proportions. It applies when the same two elements combine to form two or more different compounds. Their masses are compared while the mass of one element is kept fixed; the resulting ratios are simple whole numbers. For example, carbon and oxygen form CO and CO2, where the oxygen masses combining with the same carbon mass are in the ratio 1:2. Therefore, option A is correct. Definite proportions concerns one pure compound, conservation of mass compares total reactant and product masses, and Gay-Lussac’s law concerns gaseous volume ratios at the same temperature and pressure.

Related tags

ChemistryLaws Of Chemical CombinationMultiple ProportionsSome Basic Concepts Of ChemistryClass 11 Mcq

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