JEE Mains · Chemistry · STD 11 - 1. Some basic concept of chemistry
An organic compound has \(42.1 \%\) carbon, \(6.4 \%\) hydrogen and remainder is oxygen. If its molecular weight is \(342\) , then its molecular formula is _______.
- A \(\mathrm{C}_{11} \mathrm{H}_{18} \mathrm{O}_{12}\)
- B \(\mathrm{C}_{12} \mathrm{H}_{20} \mathrm{O}_{12}\)
- C \(\mathrm{C}_{14} \mathrm{H}_{20} \mathrm{O}_{10}\)
- D \(\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}\)
Answer & Solution
Correct Answer
(D) \(\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}\)
Step-by-step Solution
Detailed explanation
only \(\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}\) has \(42.1 \%\) carbon, \(6.4 \%\) hydrogen & \(51.5\%\) oxygen.
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