Question

7.21 Comment on the nature of two S-O bonds formed in So, molecule. Are
the two S-O bonds in this molecule equal ?
7.22 How is the presence of so, detected ?​

Answer 1

Answer:

It can be detected with the help of potassium permanganate solution. When SO2 is passed through an acidified potassium permanganate solution, it decolonizes the solution. SO2 gives a pungent suffocating smell which indicates the presence.