1.

In which of the following equilibrium, change in volume of the system does not alter the number of moles ?

Answer»

`N_(2)(g)+O_(2)(g)HARR 2NO(g)`
`PCl_(5)(g)hArr PCl_(3)(g)+Cl_(2)(g)`
`N_(2)(g)+3H_(2)(g)hArr 2NH_(3)(g)`
`SO_(2)Cl_(2)(g)hArr SO_(2)(g)+Cl_(2)(g)`

Answer :A


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