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What are lyophilic and lyophobic sols? G...

What are lyophilic and lyophobic sols? Give one example of each type, why are hydropbic sols easily coagulated?

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Lyophilic and lyophobic sols: see page no.143hydrophbic sols are easily coagulated because they are unstable due to least force of attraction between dispersed phase and dispersion medium.
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V PUBLICATION-SURFACE CHEMISTRY-QUESTION BANK
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  14. What is shape selective catalysis?

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