Using Sodium hydroxide solution, how would you distinguish : Iron (II) chloride from Iron (III) chloride?

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Iron (II) chloride
Iron (III) chloride
When sodium hydroxide is added, dirty green precipitate is formed which changes to reddish brown after some time.
When sodium hydroxide solution is added, a reddish brown precipitate is formed.

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Q. Using sodium hydroxide solution, how would you distinguish:
(a) Ammonium sulphate from sodium sulphate.
(b) Zinc nitrate solution from calcium nitrate solution.
(c) Iron (II) chloride from Iron (III) chloride.

Q. Using sodium hydroxide solution, how will you distinguish:
(a) zinc nitrate solution from calcium nitrate solution?
(b) iron (II) chloride from iron (III) chloride?
(c) lead hydroxide from magnesium hydroxide?

Q. Choose the correct answer:
The salt which in solution gives a pale green precipitate with sodium hydroxide solution and a white precipitate with barium chloride solution is:
A. Iron (III) sulphate
B. Iron (II) sulphate
C. Iron (II) chloride
D. Iron (III) chloride

Q. (a) Sodium hydroxide solution can be used to distinguish between (i) Iron (II) sulphate solution and (ii) iron (III) sulphate solution; because these solutions give different coloured precipitates with sodium hydroxide solution. Give the colour of the precipitate formed with each of the solution.
(b) What will you observe when barium chloride solution is added to iron (II) sulphate solution?
(c) How will the action of dilute hydrochloric acid on sodium carbonate and sodium sulphite enables you to distinguish between these two compounds?

(b) From the list of substances given below, choose the pair required to prepare the salts (i) to (iii) in the laboratory and write down the relevant equations. The substances are
chlorine, iron, lead, lead nitrate solution, sodium nitrate solution, iron (III) carbonate, lead carbonate, iron (III) hydroxide, sodium hydroxide solution and dilute hydrochloric acid. The salts are
(i) sodium chloride.
(ii) lead chloride.
(iii) anhydrous iron (III) chloride.

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Iron (II) chloride	Iron (III) chloride
When sodium hydroxide is added, dirty green precipitate is formed which changes to reddish brown after some time.	When sodium hydroxide solution is added, a reddish brown precipitate is formed.

Using Sodium hydroxide solution, how would you distinguish : Iron (II) chloride from Iron (III) chloride?

Iron (II) chlorideIron (III) chlorideWhen sodium hydroxide is added, dirty green precipitate is formed which changes to reddish brown after some time.When sodium hydroxide solution is added, a reddish brown precipitate is formed.

Iron (II) chloride
Iron (III) chloride
When sodium hydroxide is added, dirty green precipitate is formed which changes to reddish brown after some time.
When sodium hydroxide solution is added, a reddish brown precipitate is formed.