The empirical formula and molecular mass of compound are CH₂O and 180g respectively. What will be the molecular formula of the compound?

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$C_{6} H_{12} O_{6}$

$C_{9} H_{18} O_{9}$

$C_{2} H_{4} O_{2}$

$C H_{2} O$

answer is A.

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Detailed Solution

$\begin{array}{l} E . F = {CH}_{2} O \\ E F w t = 12 + 2 + 16 = 30 \\ M \cdot F = (E \cdot F)_{n} \\ = {({CH}_{2} O)}_{6} \\ = C_{6} H_{12} O_{6} \\ n = \frac{M \cdot F w t}{E \cdot F w t} \\ = \frac{180}{30} \\ = 6 \end{array}$

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