A vessel has two equal compartments $A$ and $B$ containing $H_{2}$ and $O_{2}$ respectively, each at $1 a t m$ pressure. If the wall separating the compartment is removed, the pressure :

Will remain unchanged in

A

and

B

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Will increase in

A

and decrease in

B

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Will decrease in

A

and increase in

B

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Will increase in both

A

and

B

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Solution

The correct option is B Will remain unchanged in $A$ and $B$
A vessel has two equal compartments $A$ and $B$ containing $H_{2}$ and $O_{2}$ respectively, each at $1 a t m$ pressure. If the wall separating the compartment is removed, the pressure will remain unchanged in $A$ and $B$ .
In both the compartments, the volume, temperature and pressure are same. Hence, the number of moles of hydrogen and oxygen are equal. When the number of moles and the volume are doubled at constant temperature, the pressure remains constant. $P V = n R T$

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A vessel has two equal compartments A and B containing H2 and O2 respectively, each at 1 atm pressure. If the wall separating the compartment is removed, the pressure :

A vessel has two equal compartments $A$ and $B$ containing $H_{2}$ and $O_{2}$ respectively, each at $1 a t m$ pressure. If the wall separating the compartment is removed, the pressure :