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Which of the following statements is co...

Which of the following statements is correct with respect to colloidal state and surface phenomenon.

A

Gold sol can be coagulated by SO `._(4)^(2-)ion`.

B

`Sb_(2)S_(3)` sol can be coagulated by adding `Fe(OH)_(3)` sol.

C

Adsorption processes are entropy driven process always.

D

At very high pressures, adsorption increases with pressure.

Text Solution

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The correct Answer is:
B
`Sb_(2)S_(3)` is the negatively charged sol.
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