JEE PYQ: Surface Chemistry Question 10
Question 10 - 2021 (26 Feb Shift 2)
Type: MCQ
The nature of charge on resulting colloidal particles when $\text{FeCl}_3$ is added to excess of hot water is:
(a) positive
(b) neutral
(c) sometimes positive and sometimes negative
(d) negative
Show Answer
Answer: 0
Solution
If $\text{FeCl}_3$ is added to excess of hot water, a positively charged sol of hydrated ferric oxide is formed due to adsorption of $\text{Fe}^{3+}$ ions.
BETA
