Some Basic Principles Of Organic Chemistry Question 57

Question: On complete combustion 1.4 g hydrocarbon gave 1.8 g water. Empirical formula of the hydrocarbon is

Options:

A) CH

B) CH2

C) CH3

D) CH4

Show Answer

Answer:

Correct Answer: B

Solution:

∵ 1.8gm water obtained from 1.4gm hydrocarbon
∴ 18gm water obtained from - 1.41.8×18=14 gm.

Empirical formula Mass = 14
∴ Empirical formula = CH2 .

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