Q.

Which is correct?

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a

Sols of metal sulphides are lyophilic

b

Brownian movement is more pronounced for small particles than the bigger ones.

c

A lyophilic sol is most stable at isoelectric point

d

Hardy-Schulze law states that larger the size of the coagulation ion greater is its coagulation power.

answer is A.

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Detailed Solution

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Smaller is size of particles faster is motion.

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