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The specific conductivity of a saturated...

The specific conductivity of a saturated solution of `Kl_(3)` is `4.59xx10^(-6)"ohm"^(-1)"cm"^(-1)` and its molar conductanc eis `"1.53 ohm"^(-1)"cm"^(2)"mol"^(-1)`. The `K_("sp")` of `Kl_(3)` will be

A

`4xx10^(-12)`

B

`27xx27xx10^(-9)`

C

`9xx10^(-6)`

D

`4xx10^(-4)`

Text Solution

Verified by Experts

The correct Answer is:
C
`KI_(3) hArr K^(+)I_(3)^(-)`
`K_("sp")=S^(2)`
`lambda_(m)=(Kxx1000)/(S) rArr S=(4.59xx10^(-6)xx1000)/(1.53)`
`S=3xx10^(-3),K_("sp")=9xx10^(-6)`
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