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Molar conductance of BaCl(2) , H(2)SO(4)...

Molar conductance of `BaCl_(2) , H_(2)SO_(4)`, and `HCl(aq)` at infinite dilution are `x_(1),x_(2),` and `x_(3)` respectively. Equivalent conductance of (BaSO_(4) at infinite dilution is `:`

A

`x_(1)+x_(2)-x_(3)`/2

B

`x_(1)-x_(2)-x_(3)`/2

C

`x_(1)+x_(2)-2x_(3)`/2

D

`x_(1)-2x_(2)+x_(3)`/2

Text Solution

Verified by Experts

The correct Answer is:
C
`wedge^(@)._(m(BaCl_(2)))=lambda_(m)^(@)._((Ba^(2+)))+2lambda^(@)._(m(Cl^(c-)))`
`wedge^(@)._(m(H_(2)SO_(4)))=2lambda^(@)._(m(H^(o+)))+lambda^(@)._(m(SO_(4)^(2-)))`
`wedge^(@)._(m(HCl))=wedge^(@)._(m(BaCl_(2)))-2wedge^(@)._(m(HCl))`
`x_(1)+x_(2)-2x_(3)`
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