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Q.

Let the most probable velocity of hydrogen molecules at a temperature t∘C is V0. Suppose all the molecules dissociate into atoms when temperature is raised to (2t+273)∘C then the new rms velocity is :

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a

23V0

b

32+273tV0

c

23V0

d

6 V0

answer is D.

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Detailed Solution

Here we have,

V0=2R×(273t)2

Vnew =3R×2(t+273)1=6V0

 

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