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The amount of electrolytes required to c...

The amount of electrolytes required to coagulate a given amount of Ag colloidal solution (-ve charge) will be in the order-

A

`NaNO_(3) gt Al(NO_(3))_(3) gt Ba(NO_(3))_(2)`

B

`Al(NO_(3))_(3) gt Ba(NO_(3))_(2) gt NaNO_(3)`

C

`Al(NO_(3))_(3) gt NaNO_(3) gt Ba(NO_(3))_(2)`

D

`NaNO_(3) gt Ba(NO_(3))_(2) gt Al(NO_(3))_(2)`

Text Solution

Verified by Experts

According to Hardy-Schulze rule for coagulation , amount of electrolyte is inversely proportional to the charge of cation nad anion. Therefore, amount of electrolyte required for coagulation -ve charged colloidal solution is in the correct order of -`NaNO_(3) gt Ba(NO_(3))_(2) gt Al(NO_(3))_(3)`
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