The ratio between root mean square speed of ${{\rm{H}}_2}$ at $50{\rm{K}}$ and that of ${{\rm{O}}_2}$ at 800 K is:

JEE CHEMISTRY MCQ: STATES OF MATTER

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The ratio between root mean square speed of

{\mathrm{H}_2}

50\mathrm{K}

and that of

{\mathrm{O}_2}

at 800 K is:

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Correct option: C

Option C (1) is correct because the ratio of root mean square speeds is calculated using the formula involving temperature and molar mass, and in this case, the ratio simplifies to 1.

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