1.

Which one of the following is an example of chemical equilibrium ?

Answer»

`2 NO(g) + O_(2) (g) HARR 2NO_(2) (g)`
`I_(2) (s) hArr I_(2) (g)`
`H_(2) O (s) hArr H_(2) O (I)`
`NH_(2) CL (s) hArr NH_(4)Cl (g)`

Solution :All the outer three are PHYSICAL EQUILIBRIUM . Only (a) is chemical equilibrium


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