JEE Main Chemistry question

Law of multiple proportions is illustrated by one of the following pairs [Kerala CEE 2003]

(A)HS and SO
(B)NH and NO
(C)NaS and NaO
(D)NO and NOCorrect

Answer: (D)

Solution

The law of multiple proportions applies to two compounds formed between the *same pair* of elements, where the masses of one element combining with a fixed mass of the other are in a small whole-number ratio. NO and NO are both oxides

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Question ID VK-130436