Which one of the following statements is correct-Sols of metal sulphides are lyophilicBrownian movement is more pronounced for smaller particles than for bigger onesCatalyst does not alter energy of activationSchulze-Hardy law states- the bigger is the size of the ion- the greater is its coagulating power

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Brownian Motion

Which one of ...

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Which one of the following statements is correct?

Schulze-Hardy law states, the bigger is the size of the ion, the greater is its coagulating power

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Sols of metal sulphides are lyophilic

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Brownian movement is more pronounced for smaller particles than for bigger ones

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Catalyst does not alter energy of activation

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Which one of the following statements is correct :

i) Brownian movement is more pronounced for smaller particles than for bigger ones

ii) Sols of metal sulphides are lyophilic

iii) Schulze-Hardey law states, the bigger the size of the ion, the greater is its coagulating power

iv) One would be expect charcoal to adsorb chlorine more strongly hydrogen sulphide

Assertion: Coagulation power of $A l^{3 +}$ is more than $N a^{+}$

Reason : Greater the valency of the flocculating ion added, greater is its power to cause precipitation (Hardy Schulze rule).

A l^{3 +} > B a^{2 +} > N a^{+}

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