1.

For the complex, Ag^(+)+2NH_(3) hArr [Ag(NH_(3))_(2)^(+)] ((dx)/(dt))=2xx10^(7)L^(2)mol^(-1)[Ag^(+)]NH_(3)]^(2)-1xx10^(-2)s^(-1) [Ag(NH_(3)_(2)^(+)] Hence, ratio of rate constants of the forward and backward reaction is :

Answer»

`2XX10^(7)L^(2)MOL^(-2)`
`2xx10^(9)L^(2)mol^(-2)`
`1XX10^(-2)L^(2)mol^(-2)`
`0.5xx10^(-9)L^(2)mol^(-2)`

Answer :B


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