The INCORRECT statements below regarding colloidal solutions is:

Question:

The INCORRECT statements below regarding colloidal solutions is:

  1. A colloidal solution shows colligative properties.

  2. An ordinary filter paper can stop the flow of colloidal particles.

  3. The flocculating power of $\mathrm{Al}^{3+}$ is more than that of $\mathrm{Na}^{+}$

  4. A colloidal solution shows Brownian motion of colloidal particles.

Correct Option: , 2

Solution:

* Colloidel solution exhibits colligative properties

* An ordinary filter can not stop the flow of colloidal particles.

* Flocculating power increases with increase the opposite charge of electrolyte.

* Colloidal particles show brownian motion.

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