Question

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

• A. i, ii &iv
• B. i, ii & iii
• C. i, ii
• D. i&iv

Answer 1

The correct option is B i, ii & iii

There is no affinity between dispersed phase and dispersion medium in lyophobic sols hence lyophobic are not hydrated