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Surface Chemistry

Question

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How can colloidal solution of sulphur in water be prepared?

Solution

Answer:

A colloidal sol of sulphur can be obtained by passing hydrogen sulphide into solution of sulphur dioxide in water or through a solution of an oxidising agent.

SO₂ + 2H₂S --------> 3S + 2H₂O

Some More Questions From Surface Chemistry Chapter

What do you mean by adsorbent and adsorbate?

What is desorption?

Define physical and chemical adsorption.

Is adsorption exothermic or endothermic?

What is an adsorption isotherm and isobar?

What are the physical states of dispersed phase and dispersion medium of froth?

Name a few common adsorbents.

What property must a good adsorbent have?

Why colloids are regarded as very good adsorbents?

What do you mean by sorption?

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