How will you distinguish between the following pair of compounds?
Calcium Nitrate And Zinc Nitrate Solutions
1 Calcium Nitrate solution Zinc Nitrate Solution
On adding little amount of Sodium 1 On adding little amount of Sodium
hydroxide solution it forms white hydroxide solution it forms white
precipitate which is insoluble in precipitate which is soluble in excess
excess of sodium hydroxide solution of sodium hydroxide solution
Lead Nitrate And Zinc Nitrate Solutions
2 Lead Nitrate solution Zinc Nitrate solution
On adding little amount of 2 On adding little amount of Ammonium
Ammonium hydroxide solution it hydroxide solution it forms
forms Chalky white precipitate Gelatinous white precipitate which is
which is Insoluble in excess of soluble in excess of Ammonium
Ammonium hydroxide solution hydroxide solution
Ferrous sulphate and Ferric sulphate Solutions
3 Ferrous sulphate solution 3 Ferric sulphate solution
On adding little amount of Sodium On adding little amount of Sodium
hydroxide solution it forms Dirty hydroxide solution it forms Reddish
green colour precipitate which is brown colour precipitate which is
insoluble in excess of Sodium insoluble in excess of Sodium
hydroxide solution hydroxide solution
OR
On adding little amount of On adding little amount of Ammonium
Ammonium hydroxide solution it hydroxide solution it forms Reddish
forms Dirty green colour precipitate brown colour precipitate which is
which is insoluble in excess of insoluble in excess of Ammonium
Ammonium hydroxide solution hydroxide solution
Dilute Hydrochloric acid and Dilute Nitric acid
4 Dilute Hydrochloric acid Solution Dilute Nitric acid solution
On adding Silver nitrate solution to On adding Silver nitrate solution to
dilute hydrochloric acid forms curdy dilute nitric acid no such reaction or
white precipitate which is soluble in precipitate is seen
excess of ammonium hydroxide
solution
, OR
No positive brown ring formation Add freshly prepared Ferrous
sulphate solution to dilute nitric acid
solution and add to this mixture
concentrated Sulphuric acid from the
edges of test tube ,a brown ring is
formed at the junction of two liquid
layer
Dilute Nitric acid and Dilute Sulphuric acid Solution
5 Dilute Nitric acid Solution Dilute Sulphuric acid Solution
No precipitate is formed on adding A white precipitate is formed on
Barium chloride solution to Dilute adding Barium chloride solution to
Nitric acid solution Dilute Sulphuric acid solution
OR
Add freshly prepared Ferrous No positive brown ring formation
sulphate solution to dilute nitric acid
solution and add to this mixture
concentrated Sulphuric acid from
the edges of test tube ,a brown ring
is formed at the junction of two
liquid layer
Dilute Hydrochloric acid and Dilute Sulphuric acid solution
6 Dilute Hydrochloric acid Solution Dilute Sulphuric acid Solution
On addition of Barium chloride A white precipitate is formed on
solution to Dilute Hydrochloric acid adding Barium chloride solution to
solution no precipitate is formed Dilute Sulphuric acid solution
OR
On adding Silver nitrate solution to On adding Silver nitrate solution to
dilute Hydrochloric acid produces dilute Sulphuric acid no such
curdy white precipitate reaction is seen
Calcium Nitrate And Zinc Nitrate Solutions
1 Calcium Nitrate solution Zinc Nitrate Solution
On adding little amount of Sodium 1 On adding little amount of Sodium
hydroxide solution it forms white hydroxide solution it forms white
precipitate which is insoluble in precipitate which is soluble in excess
excess of sodium hydroxide solution of sodium hydroxide solution
Lead Nitrate And Zinc Nitrate Solutions
2 Lead Nitrate solution Zinc Nitrate solution
On adding little amount of 2 On adding little amount of Ammonium
Ammonium hydroxide solution it hydroxide solution it forms
forms Chalky white precipitate Gelatinous white precipitate which is
which is Insoluble in excess of soluble in excess of Ammonium
Ammonium hydroxide solution hydroxide solution
Ferrous sulphate and Ferric sulphate Solutions
3 Ferrous sulphate solution 3 Ferric sulphate solution
On adding little amount of Sodium On adding little amount of Sodium
hydroxide solution it forms Dirty hydroxide solution it forms Reddish
green colour precipitate which is brown colour precipitate which is
insoluble in excess of Sodium insoluble in excess of Sodium
hydroxide solution hydroxide solution
OR
On adding little amount of On adding little amount of Ammonium
Ammonium hydroxide solution it hydroxide solution it forms Reddish
forms Dirty green colour precipitate brown colour precipitate which is
which is insoluble in excess of insoluble in excess of Ammonium
Ammonium hydroxide solution hydroxide solution
Dilute Hydrochloric acid and Dilute Nitric acid
4 Dilute Hydrochloric acid Solution Dilute Nitric acid solution
On adding Silver nitrate solution to On adding Silver nitrate solution to
dilute hydrochloric acid forms curdy dilute nitric acid no such reaction or
white precipitate which is soluble in precipitate is seen
excess of ammonium hydroxide
solution
, OR
No positive brown ring formation Add freshly prepared Ferrous
sulphate solution to dilute nitric acid
solution and add to this mixture
concentrated Sulphuric acid from the
edges of test tube ,a brown ring is
formed at the junction of two liquid
layer
Dilute Nitric acid and Dilute Sulphuric acid Solution
5 Dilute Nitric acid Solution Dilute Sulphuric acid Solution
No precipitate is formed on adding A white precipitate is formed on
Barium chloride solution to Dilute adding Barium chloride solution to
Nitric acid solution Dilute Sulphuric acid solution
OR
Add freshly prepared Ferrous No positive brown ring formation
sulphate solution to dilute nitric acid
solution and add to this mixture
concentrated Sulphuric acid from
the edges of test tube ,a brown ring
is formed at the junction of two
liquid layer
Dilute Hydrochloric acid and Dilute Sulphuric acid solution
6 Dilute Hydrochloric acid Solution Dilute Sulphuric acid Solution
On addition of Barium chloride A white precipitate is formed on
solution to Dilute Hydrochloric acid adding Barium chloride solution to
solution no precipitate is formed Dilute Sulphuric acid solution
OR
On adding Silver nitrate solution to On adding Silver nitrate solution to
dilute Hydrochloric acid produces dilute Sulphuric acid no such
curdy white precipitate reaction is seen
