Easy MCQ +4 / -1 PYQ · JEE Mains 2022

$100 \mathrm{~mL}$ of $5 \%\,(\mathrm{w} / \mathrm{v})$ solution of $\mathrm{NaCl}$ in water was prepared in $250 \mathrm{~mL}$ beaker. Albumin from the egg was poured into $\mathrm{NaCl}$ solution and stirred well. This resulted in a/an :

  1. A Lyophilic sol Correct answer
  2. B Lyophobic sol
  3. C Emulsion
  4. D Precipitate

Solution

Albumin from the egg was poured into $100 \mathrm{~mL}$ of $5 \%$ (w/v) $\mathrm{NaCl}$ solution in water. This would result in the formation of lyophilic sol. Albumin molecules get dispersed in water the colloidal particles of albumin are stabilised by hydrogen bond with water molecules.

About this question

Subject: Chemistry · Chapter: Surface Chemistry · Topic: Adsorption

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