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Standard XII

Chemistry

Molecular Speeds - Vrms, Vavg, Vmps

At the same t...

Question

At the same temperature and pressure, ratio of RMS velocities of $C H_{4}$ and $S O_{2}$ is:

4 : 1

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1 : 4

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1 : 2

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2 : 1

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Solution

The correct option is D $2 : 1$
$\frac{C_{1}}{C_{2}} = \sqrt{\frac{M_{2}}{M_{1}}}$

$\frac{C_{C H_{4}}}{C_{S O_{2}}} = \sqrt{\frac{64}{16}} = \frac{2}{1}$

Hence, the correct answer is option $D$ .

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At the same temperature and pressure, ratio of RMS velocities of CH4 and SO2 is:

The correct option is D 2:1C1C2=√M2M1CCH4CSO2=√6416=21Hence, the correct answer is option D.

At the same temperature and pressure, ratio of RMS velocities of $C H_{4}$ and $S O_{2}$ is:

The correct option is D $2 : 1$
$\frac{C_{1}}{C_{2}} = \sqrt{\frac{M_{2}}{M_{1}}}$

$\frac{C_{C H_{4}}}{C_{S O_{2}}} = \sqrt{\frac{64}{16}} = \frac{2}{1}$

Hence, the correct answer is option $D$ .