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Standard XII

Chemistry

Molecular Speeds - Vrms, Vavg, Vmps

At the same t...

Question

At the same temperature, which of the following pair of gases have same RMS velocity:

C l_{2}, O_{2}

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O_{2}, O_{3}

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C_{3} H_{8}, C O_{2}

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C O_{2}, C O

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Solution

The correct option is D $C_{3} H_{8}, C O_{2}$
$C \propto \frac{1}{\sqrt{M}}$ and $M$ (molecular mass) of $C_{3} H_{8}$ and $C O_{2}$ are equal.

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At the same temperature, which of the following pair of gases have same RMS velocity:

The correct option is D C3H8,CO2C∝1√M and M(molecular mass) of C3H8 and CO2 are equal.

The correct option is D $C_{3} H_{8}, C O_{2}$
$C \propto \frac{1}{\sqrt{M}}$ and $M$ (molecular mass) of $C_{3} H_{8}$ and $C O_{2}$ are equal.