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Abundance and Isotopes

At a given te...

Question

At a given temperature, amongest Oxygen and Hydrogen, the r.m.s. velocity will be greater for

A

Hydrogen

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B

Oxygen

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C

Equal for both

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D

Data is Insufficient

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Solution

The correct option is A
Hydrogen

$v = \sqrt{\frac{3 R T}{M}}$

r.m.s velocity is be greater if M is less.

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