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Ag^(+) + NH(3) ltimplies [Ag(NH(3))]^(+)...

`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

Text Solution

Verified by Experts

The correct Answer is:
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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