preparation of chlorine in laboratory

Question

How will you prepare Chlorine In Laboratory?

Answer 1

1. Chlorine is prepared by the action of cone, sulphuric acid on chlorides in presence of manganese dioxide.

2. It can also be prepared by oxidising hydrochloric acid using various oxidising agents such as manganese dioxide, lead dioxide, potassium permanganate or dichromate.

3. When bleaching powder is treated with mineral acids chlorine is liberated.