Question

What do you observe when paper soaked in potassium permanganate solution is introduced into a gas jar of sulphur dioxide

Answer 1

(i) Paper soaked in potassium permanganate solution is introduced into a gas jar of sulphur dioxide.

(ii) Ammonia gas is burnt in an atmosphere of oxygen in the absence of a catalyst.

( iii) Glass rod dipped in ammonium hydroxide is brought near the mouth of the concentrated hydrochloric acid bottle.

Answer 2

The violet red colour of potassium permanganate disappears