0

Guest

Courses New

Bleaching action of SO 2 is: A) permanent, reduction B) temporary, reduction C) permanent, oxidation D) temporary, oxidation

Bleaching action of SO2  is:
A) permanent, reduction
B) temporary, reduction 
C) permanent, oxidation 
D) temporary, oxidation

Grade:12th pass

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
Dear student

The answer is B) temporary, reduction

Regards
Vikas TU
14149 Points
4 years ago
Dear student 
Sulphur dioxide is a temporary bleaching agent, unlike Chlorine, which is a permanent bleaching agent! This is because the mechanism for bleaching is different:
SO2-Reduction => TEMPORARY
Cl2-Oxidation => PERMANENT
Sulphur dioxide removes oxygen from the coloured substance and makes it colourless. But atmospheric oxygen slowly takes place of the removed oxygen and because of which the material regains the colour.

Think You Can Provide A Better Answer ?

Other Related Questions on Zoology

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