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Which of the following electrolytes is m...

Which of the following electrolytes is most effective in the coagulation of gold solution?

A

KCN

B

`BaC_2`

C

NaCl

D

`M_3g_4C_2`

Text Solution

Verified by Experts

The coagulating power of an electrolyte is directly proportional to the fourth power of the valency of the effective ion. For positively charged sol, like `FeC_3` the most effective would be `PO_4^(2)`
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