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0.24 g of an organic compound gave 0.22 ...

0.24 g of an organic compound gave 0.22 g `CO_(2)`, on complete combustion. If it contains 1.66 % hydrogen, then the percentage of C and O will be .

A

12.5 and 36.6

B

25 and 75

C

25 and 36.6

D

25 and 80

Text Solution

Verified by Experts

The correct Answer is:
B
% of `C = (12)/(44) xx ("Mass" of CO_(2))/("Mass of substance") xx 100`
` = (12 xx 0.22)/(44 xx 0.24) xx 100 = 25: C - 25` , H = 1.66.
Total = 26.6 = 100 -26.6 = 73.4.
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