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AgNO(3) (aqueous) was added to an aqueou...

`AgNO_(3)` (aqueous) was added to an aqueous KCl solution gradually and the conductivity of the solution was measured. The plot of conductance (A) versus the volume of `

A

(P)

B

(Q)

C

(R )

D

(S)

Text Solution

Verified by Experts

`Ag(NO_3)(aq)+KCl(aq) to AgCl downarrow +KNO_3(aq)`
`implies Cl^(-)` ions being replaced by `NO_3^(-) ` ions `implies` (i) Till all KCl `(Cl^(-) ions)` gets consumed by `N)_3^(-),Cl^(-)` will get replaced by `NO_3^(-)`.
`K^(+)Cl^(-) underset to(AgNo_3) K^(+)NO_3^(-)`
(ii) When all`Cl^(-)` is gone, `AgNO_3` will not get ppt. anumore
`K^(+)cancel(cl) underset to(AgNO_3)Ag^(+)+K^(+)NO_3^(-)`
Conductance is bound to increase mow .
There should be no reason for the conductance to fall-(or rise) initially to a large extent .Even the fall /rise will be linear (either decreasing /increasing )
`implies` D is the most approprite answer.
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