A compound has empirical formula and vapour density 30. The molecular formula is: — Mole Concept and Some Basic Concepts of Chemistry Chemistry Question
Question
A compound has empirical formula $CH_2O$ and vapour density 30. The molecular formula is:
Answer: B
💡 Solution & Explanation
$\text{Molar mass} = 2 \times 30 = 60$. $\text{Empirical mass} (CH_2O) = 12+2+16 = 30$. $n = 60/30 = 2$. $\text{Formula} = C_2H_4O_2$. [6]
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