Question:medium

360 cm$^3$ of a hydrocarbon diffuses in 30 minutes, while under the same conditions 360 cm$^3$ of SO$_2$ gas diffuses in one hour. The molecular formula of the hydrocarbon is

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Graham’s law tips: \begin{itemize} \item Faster diffusion $\Rightarrow$ lighter gas \item Rate $\propto 1/\sqrt{M}$ \item Use time ratios for equal volumes \end{itemize}
Updated On: Mar 2, 2026
  • CH$_4$
  • C$_2$H$_6$
  • C$_2$H$_4$
  • C$_2$H$_2$
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The Correct Option is C

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