Question

0.73g of organic compound gave 0.6g $H_{2}O$.
The % of H in the organic compound is:

• A. 10.24
• B. 12.42
• C. 9.13
• D. 8.25

Answer 1

The correct option is C 9.13

Mole of water formed $=0.6/18=0.033$,
so mole of hydrogen $0.033\ast 2=0.066$
mass of hydrogen obtained $=0.066\ast 1=0.066$gm
% of H in hydrocarbon $=\left(0.066/0.73\right)\ast 100=9.13$ %