Some Basic Principles Of Organic Chemistry Question 70

Question: An organic compound gave the following results C=53.3 mol. wt. = 45, What is molecular formula of the compound?

Options:

A) C2H5N2

B) C2H5N

C) C2H7N

D) C2H6N

Show Answer

Answer:

Correct Answer: C

Solution:

Element No.of Moles Simple Ratio
C = 53.3 53.3/12 = 4.44 2
H = 15.6 15.6/1 = 15.6 7
N = 31.1 31.1/14 = 2.22 1

Hence, formula = C2H7N

(CH3CH2NH2) .



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