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JEE Main Chemistry question

ChemistrySome Basic Concepts of ChemistryJEE Main

In a compound, C, H and N are present in 9 : 1 : 3.5 by weight. If the molecular weight of the compound is 108, the molecular formula of the compound is:

Answer: (C)

Solution

Moles (proportional): C = 9/12 = 0.75, H = 1/1 = 1, N = 3.5/14 = 0.25. Dividing by 0.25: C : H : N = 3 : 4 : 1,

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Question ID VK-149614