what is back suction?

 

Asked by Shakina | 5th Jan, 2018, 10:07: PM

Expert Answer:

HCl is absorbed in water more quickly as it is soluble in water.

In the preparation of HCl, the pressure in the delivery tube and flask is reduced and

atmospheric pressure forces the water back upto the delivery tube. This is back suction.

Answered by Varsha | 6th Jan, 2018, 01:29: PM