HCl

Question 1

Give another name for HCl acid

Answer 1

Muriatic acid

Question 2

What is the general method for preparation of hydrogen?

Answer 2

Question 3

Why is NaCl preferred in the laboratory preparation of hydrogen chloride?

Answer 3

Cheap, easily available

Question 4

GR: conc. H2SO4 is preferred over conc. HNO3 in the lab prep of hydrogen chloride.

Answer 4

Question 5

Why should the temperature od the reaction mixture be around/less than 200°C?

Answer 5

Question 6

GR: conc. H2SO4 is preferred as drying agent for HCL gas.

Answer 6

Question 7

Why is HCl gas collected by upward displacement of air?

Answer 7

Question 8

How do you convert HCl gas to HCl aci

Answer 8

Question 9

Why is special funnel arrangement preferred over delivery tube for conversion of HCL gas to HCl acid?

Answer 9

Question 10

What are the advantages of special funnel arrangement?

Answer 10

• prevents/minimises back suction
• larger surface area for absorption of HCl gas.

Question 11

What is a constant boiling mixture?

Answer 11

Question 12

At what temperature does HCl form constant boiling mixture?

Answer 12

109.8°C, 22.22% conc. by weight

Question 13

State aim, observation and inference of red fountain experiment.

Answer 13

Question 14

What are the chemical properties of HCl gas?

Answer 14