Which of the following is true about lyophilic and lyophobic sols?

Lyophilic sols are irreversible while lyophobic sols are reversible in nature

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Lyophilic sols are very stable and are not easily coagulated by electrolytes

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In lyophobic sols, the particles are highly solvated

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Sols of mostly organic materials like starch are lyophobic in nature

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Solution

The correct option is B Lyophilic sols are very stable and are not easily coagulated by electrolytes
Lyophilic sols are the ones where the solvent and the solute mix well, the solute is solvated well with the solvent. Sols of organic substances like gelatin, gum, starch and proteins are lyophilic. These are reversible unlike lyophobic sols.

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Similar questions

Which of the following is/are correct ?
i) lyophobic sols are less stable
ii) lyophilic sols are reversible
iii) lyophobic sols are coagulated by adding electrolytes
iv) lyophobic sols are more hydrated

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