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Explain What is Observed Electric Current is Passed Through a Colloidal Sol? - CBSE (Science) Class 12 - Chemistry

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Question

Explain what is observed Electric current is passed through a colloidal sol?

Solution

The colloidal particles are charged and carry either a positive or negative charge. The dispersion medium carries an equal and opposite charge. This makes the whole system neutral. Under the influence of an electric current, the colloidal particles move towards the oppositely charged electrode. When they come in contact with the electrode, they lose their charge and coagulate.

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APPEARS IN

 NCERT Solution for Chemistry Textbook for Class 12 (2018 to Current)
Chapter 5: Surface Chemistry
Q: 15.3 | Page no. 146

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Solution Explain What is Observed Electric Current is Passed Through a Colloidal Sol? Concept: Properties of Colloidal Solutions.
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