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  • PV versus T graph of equal masses of H2, He, and O2 is shown in the figure. Choose the correct alternative. <img alt="" src="https://cdn.entrance360.com/media/u

PV versus T graph of equal masses of H2, He, and O2 is shown in the figure. Choose the correct alternative.

Option: 1

A correspond to H2 , B to He and C to O2.


Option: 2

A corresponds to He, B to H2, and C to O2.


Option: 3

A corresponds to He, B to O2, and C to H2.


Option: 4

A corresponds to O2, B to He, and C to H2.


Answers (1)

best_answer

\begin{aligned} & P V=\mu R T \\ & P V=\frac{m}{M} R T \\ & \frac{P V}{T} \propto \frac{1}{M} \quad\{\because M=\text { molecular mass }\} \end{aligned}

From graph,

\begin{aligned} & {\left[\frac{P V}{T}\right]_{A}<\left[\frac{P V}{T}\right]_{B}<\left[\frac{P V}{T}\right]_{C}} \\ & M_{A}>M_{B}>M_{C} \end{aligned}

So , A corresponds to O2

B corresponds to He 

C corresponds to H2.

Posted by

vishal kumar

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