H(2)S may provide the colloidal sulphur ...

`H_(2)S` may provide the colloidal sulphur by

Oxidation

Reduction

Neutralization

Hydrolysis

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The correct Answer is:

Colloidal or `delta` - sulphur is prepared by passing `H_2S` through a solution of an oxidizing agent or water or by treating sodium thiosulphate with dil. HCl.

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How many of the following oxoacids of sulphur has S-S bond? H_(2)S_(2)O_(4) , H_(2)S_(2)O_(5) , H_(2)S_(2)O_(7) , H_(2)S_(2)O_(6)

In which of the following processes colloidal sulphur is formed

Read the given passage and answer the question that follow: Colloidal particles always carry an electric charge which may be either positive or negative. For example, when AgNO_3 solution is added to KI solution, a negatively charged colloidal sol is obtained. The presence of equal and similar charges on colloidal particles provide stability to the colloidal sol and if, somehow, charge is removed. coagulation of sol occurs. Lyophobic sols are readily coagulated as compared to lyophilic sols. Why the presence of equal and similar charges on colloidal particles provide stability?

Colloidal sulphur particles are negatively charged with S_(2) O_(3)^(2) and other ions on the surface of sulphur. Hence, the most effective electrolyte in coagulating colloidal sulphur is:

When SO_(2) is bubbled into H_(2)S gas, colloidal sol is formed. What type of colloidal sol is it ?

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