1.

`Ag^(+) + NH_(3) ltimplies [Ag(NH_(3))]^(+), k_(1)=6.8 xx 10^(-5)` `[Ag(NH_(3))]^(+) + NH_(3) ltimplies [Ag(NH_(3))_(2)]^(+)`, `k_(2) = 1.6xx10^(-3)` The formation constant of `[Ag(NH_(3))_(2)]^(+)` is :A. `1.08 xx 10^(-7)`B. `1.08 xx 10^(-5)`C. `1.08 xx 10^(-9)`D. none of these

Answer» Correct Answer - a
k = `k_1 xx K_2`
= `(6.8 xx 10^(-5)) xx (1.6 xx 10^(-3))`
= `1.08 xx 10^(-7)`.


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