In an experiment, a few drops of concentrated nitric (IV)acid were added to aqueous Iron (II) sulphate in a test tube. excess sodium hydroxide solution was...

In an experiment, a few drops of concentrated nitric (IV)acid were added to aqueous Iron (II)
sulphate in a test tube. excess sodium hydroxide solution was then added to the mixture.
(a) State the observations that were made when:
(i) Concentrated nitric (V) acid was added to aqueous Iron (II) sulphate.
(ii) Excess sodium hydroxide was added to the mixture.
(b) Write an ionic equation for the reaction that occurred in a(ii) above.

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(a) (i) Brown fumes observed
Pale green solution turned yellow in colour.
(ii) Brown precipitate formed.
(b) Fe³⁺ + 3OH^-------->Fe(OH)₃

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sharon kalunda answered the question on May 22, 2019 at 06:36

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