According to Hardy- Schulze rule, the co...

According to Hardy`-` Schulze rule, the coagulating power of cation follows the order :

A

`Na^(+) gt Ba^(2+) gt Al^(3+)`

B

`Al^(3+) gt Ba^(2+) gt Na^(+)`

C

`Ba^(2+) gt Al^(3+) gt Na^(+)`

D

`Al^(3+) gt Na^(+) gt Ba^(2+)`

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The correct Answer is:

B

More the charge on cation, higher the coagulating power.

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