Solved UPSC CDS/OTA Question
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Q · Atoms and MoleculesMedium · 45s
A compound X contains 40% C, 6.7% H, and 53.3% O. Its empirical formula is:
TopicAtoms and Molecules
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
Percentages match glucose: empirical formula is CH₂O.
Final Answer: Option A — CH₂O