0

Guest

Courses New

Explain the following observations: (a) Ferric hydroxide sol. Gets coagulated on addition of sodium chloride solution. (b) Cottrell’s smoke precipitator is fitted at the mouth of the chimney used in factories. (c) Physical adsorption is multilayered, while chemisorptions is monolayered.

Explain the following observations:
(a) Ferric hydroxide sol. Gets coagulated on addition of sodium chloride solution.
(b) Cottrell’s smoke precipitator is fitted at the mouth of the chimney used in factories.
(c) Physical adsorption is multilayered, while chemisorptions is monolayered.

Grade:Upto college level

1 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
9 years ago
(i) Fe(OH)3is a positively charged colloid which is coagulated by the addition of NaCl means by the addition of Cl-.

(ii) It removes poisonous gases by the adsorption and hence smoke which is free from poisonous gases comes out.

(iii) In physical adsorption there are weak vander waal forces of attraction therefore it forms multilayer whereas in chemical adsorption, there are strong force of attraction, hence it forms monolayer.

Think You Can Provide A Better Answer ?

Other Related Questions on Physical Chemistry

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More