Get Answers to all your Questions

header-bg qa

Which is used for purification of water.?

Option: 1

F_2


Option: 2

Cl_2


Option: 3

Br_2


Option: 4

I_2


Answers (1)

best_answer

Property of Chlorine 

Cl2  disproportionates in H2O  producing HCl and HOCl. The HOCl further releases nascent oxygen which leads to purification of Water

 Cl_2+H_2O\rightarrow HCl+HOCl

HOCl\rightarrow HCl+[O]

Therefore, option (2) is correct.

Posted by

Ajit Kumar Dubey

View full answer