Organic Compounds Containing Halogens Question 52
Among the following, one with the highest percentage of chlorine is
[MNR 1989; BHU 1998; MH CET 1999]
Options:
A) Chloral
B) Pyrene
PVC
D) Gammaexene
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Answer:
Correct Answer: B
Solution:
% of chlorine $ =\frac{Mass\ of\ chlorine}{Mass\ of\ organic\ compound}\times 100 $
Chloral $ (CCl_3CHO)=\frac{106.5}{147.5}\times 100=72.20 $
Pyrene $ (CCl_4)=\frac{154}{142}\times 100=108.45 $
Highest Gammexene $ (C_6H_6Cl_6)=\frac{213}{291}\times 100=73.19% $