1.

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

Answer»

`N_(2(G))+O_(2(g))iff2NO_((g))`
`PCl_(5(g))iffPCl_(3(g))+Cl_(2(g))`
`N_(2(g))+3H_(2(g))iff2NH_(3(g))`
`SO_(2)Cl_(2(g))iffSO_(2(g))+Cl_(2(g))`

Solution :Change in volume change the molar concentration. In (a), `n_(p)=n_(r)`. Change in volume will not alter the number of moles in this case.


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