Hydrocarbons Question 296
Question: Which of the following has highest percentage of hydrogen [CPMT 1975; 79]
Options:
A) $ CH_4 $
B) $ C_2H_4 $
C) $ C_6H_6 $
D) $ C_2H_2 $
Show Answer
Answer:
Correct Answer: A
Solution:
% of hydrogen = $ \frac{\text{Mass of hydrogen}}{\text{Mass of compound}}\ \times \ 100 $
$ CH_4=\frac{4}{16}\ \times \ 100\ =\ 25% $ .
BETA
