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Aluminium hydroxide forms a positively c...

Aluminium hydroxide forms a positively charged sol. Which of the following ionic substances should be most effective in coagulating the sol?

A

`NaCl`

B

`CaCl_2`

C

`Fe_2 (SO_4)_3`

D

`K_3 PO_4`

Text Solution

Verified by Experts

The correct Answer is:
D
`K_3 PO_4`
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