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

Question

In a compound C , H and N atoms are present in 9 : 1 : 3.5 by weight. Molecular weight of compound is 108. Molecular formula of compound is, C 2 H 6 N 2, C 3 H 4 N, C 6 H 8 N 2, C 9 H 12 N 3

MARKS App · Accepted Answer

Molecular weight of c o m p o u n d = 108 C 12 → 12 × 6 = 72 H 1 → 1 × 8 = 8 N 14 → 14 × 2 = 28 Total molecular weight = 108 ∴ Molecular formula = C 6 H 8 N 2 atom ratio 72 8 : 8 8 : 28 8 = 9 : 1 : 3.5

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