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The following ionisation constants are d...

The following ionisation constants are determind in 3 seperate experiments.
(I) `[Ag(S_(2)O_(3))_(3)]^(5)hArr[Ag(S_(2)O_(3))_(2)]^(3-)+S_(2)O_(3)^(-2)`
`K_(1)=2.0xx10^(-5)moldm^(-3)`
(II) `[Ag(S_(2)O_(3))_(2)]^(3-)hArr[Ag(S_(2)O_(3))_(2)]^(-)+S_(2)O_(3)^(-2)`
`K_(2)=3.3xx10^(-5)moldm^(-3)`
(III) `[Ag(S_(2)O_(3))]^(-)hArrAg^(+)+S_(2)O_(3)^(2-)`
`K_(3)=1.5xx10^(-9)moldm^(-3)`
The complex formation constant for the reaction `Ag+2S_(2)O_(3)^(-2)hArr[Ag(S_(2)O_(3))_(2)]^(3-)`

A

`3.3xx10^(-5)`

B

`1.5xx10^(-9)`

C

`4.95xx10^(-14)`

D

`2xx10^(13)`

Text Solution

Verified by Experts

The correct Answer is:
B
Depends on the concentration of `[Ag^(+)]`.
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