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Under the influemce of an electric field...

Under the influemce of an electric field, the particles in a sol migrate towards cathode. The coagulation of the same sol is studied using `NaCl,Na_(2)SO_(4)` , and `Na_(3)PO_(4)` solutions. Their coagulation values will in the order
a. `NaClgtNa_(2)SO_(4)gtNa_(3)PO_(4)`
b. `Na_(2)SO_(4)gtNa_(3)PO_(4)gtNaCl`
c. `Na_(3)PO_(4)gtNa_(2)SO_(4)gtNaCl`
d. `Na_(2)SO_(4)gtNaClgtNa_(3)PO_(4)`

A

`NaCl gt BaCl_(2) gt AlCl_(3)`

B

`BaCl_(2) gt AlCl_(3) gt NaCl`

C

`AlCl_(3) gt BaCl_(2) gt NaCl`

D

`BaCl_(2)gt NaCl gt AlCl_(3)`

Text Solution

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The correct Answer is:
C
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