Organic Compounds Containing Halogens Question 17
In $ CH_3CH_2Br $, the percentage of Br is
[DPMT 1996]
Options:
80
75
70
7
Show Answer
Answer:
Correct Answer: B
Solution:
% of Br $ =\frac{MassofBr}{\text{Mass of organic compound}}\times 100 $
$ =\frac{80}{109}\times 100=73.39% $ or approx. 75%
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