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Question
Two elements X and Y have atomic weights of 12 and 16. They form a series of compounds A, B, C, D and E in which for the same amount of element X, Y is present in the ratio of 1:2:3:4:5. If the compound A has 36 parts by weight of X and 16 parts by weight of Y, then the compound C will have 36 parts by weight of X and:
Two elements X and Y have atomic weights of 12 and 16. They form a series of compounds A, B, C, D and E in which for the same amount of element X, Y is present in the ratio of 1:2:3:4:5. If the compound A has 36 parts by weight of X and 16 parts by weight of Y, then the compound C will have 36 parts by weight of X and:
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Solution
The correct option is B 48 parts by weight of Y
The law of multiple proportions states that if two elements form more than one compound between them, then the ratios of the masses of the second element which combine with a fixed mass of the first element will always be ratios of small whole numbers. If compound A has 36 parts by weight of X and 16 parts by weight of Y, then fixing X, compound C would have 3 times as much Y as compound A=16×3=48 parts
The law of multiple proportions states that if two elements form more than one compound between them, then the ratios of the masses of the second element which combine with a fixed mass of the first element will always be ratios of small whole numbers. If compound A has 36 parts by weight of X and 16 parts by weight of Y, then fixing X, compound C would have 3 times as much Y as compound A=16×3=48 parts
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