A) 75.8
B) 80.0
C) 56.6
D) 28.6
Correct Answer: B
Solution :
[b] % of |
\[H=\frac{2}{18}\times \frac{\text{Weight}\,\text{of}\,{{H}_{2}}O}{\text{Weight}\,\text{of}\,\text{organic}\,\text{compound}\,}\times 100\] |
\[=\frac{2}{18}\times \frac{0.9}{0.5}\times 100=20%\] |
Since percentage of hydrogen is 20. Therefore, remaining is carbon, i.e., 80%. |
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