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JEE PYQ: Surface Chemistry Question 4

Question 4 - 2021 (18 Mar Shift 2)

Type: MCQ

The charges on the colloidal CdS sol and $\text{TiO}_2$ sol are, respectively:

(a) positive and positive
(b) positive and negative
(c) negative and negative
(d) negative and positive

Show Answer

Answer: (c)

Solution

CdS sol $\rightarrow$ negative sol

$\text{TiO}_2$ sol $\rightarrow$ positive sol


Learning Progress: Step 4 of 38 in this series