1.

In which of the following reaction , pressure has no effect ?

Answer»

`N_(2) + 3 N_(2) hArr 2 NH_(3) (g)`
`2 SO_(2) (g) + O_(2) (g) hArr 2 SO_(3) (g)`
`N_(2) O_(4) (g) hArr 2NO_(2) (g)`
`H_2 (g) + I_(2) (g) hArr 2 HI (g)`

Solution :In the reaction `H_(2) (g) + I_(2) (g) hArr 2HI (g)` the volumes are equal on both sides and so pressure has no effect.


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