A gas with formula C_n H_{2n+2} diffuses through the porous plug at a rate one-sixth of the rate of — States of Matter and Gaseous State Chemistry Question
Question
A gas with formula C_n H_{2n+2} diffuses through the porous plug at a rate one-sixth of the rate of diffusion of hydrogen gas under similar conditions. The formula of gas is
Answer: C
💡 Solution & Explanation
r_gas / r_H2 = sqrt[M($H_2$)/M_gas] = 1/6 => 2/M_gas = 1/36 => M_gas = 72 . For C_n H_{2n+2} = 72 => 14n + 2 = 72 => n = 5 (C5H12) .
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