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Question: Answered & Verified by Expert
In 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
ChemistryHydrocarbonsJEE Main
Options:
  • A C2H6N2
  • B C3H4N
  • C C6H8N2
  • D C9H12N3
Solution:
1688 Upvotes Verified Answer
The correct answer is: C6H8N2
Percentage R.N.A. Simplest ratio
C 9 912=34 3
H 1 11=1 4
N 35 3.514=14 1


Empirical formula =C3H4N

C3H4Nn=108,12×3+4×1+14n=108

54n=108

n=10854=2

So molecular formula =2×C3H4N=C6H8N2

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