wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

What happens when SO2 gas is passed through a potassium permanganate solution?

A
Colour changes from red to orange
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Colour changes from orange to red
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Solution becomes colourless
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
Colour changes from red to violet
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C Solution becomes colourless

Potassium permanganate is a purple coloured chemical compound.When SO2 gas is passed through potassium permangante solution, the solution becomes colourless. This is the potassium permanganate test for sulphur dioxide gas.

2KMNO4(aq) + 2H2O(l) + 5SO2(g) K2SO4(aq) + 2MNSO4(aq) + 2H2SO4(aq)


flag
Suggest Corrections
thumbs-up
7
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Chemistry in Everyday Life
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon