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Brown Ring Test

For the prepa...

Question

For the preparation of the following salts - give a balanced equation in each case.

(i) Copper (II) sulphate from copper (II) oxide

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Solution

When copper (II) oxide reacts with sulphuric acid it produces copper (II) sulphate, reaction is shown below,

$C u O + H_{2} S O_{4} \to C u S O_{4} + H_{2} O$

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Similar questions

Q. Give the equation for the preparation of each of the following salts from the starting material given.
(i) Copper sulphate from copper (II) oxide,
(ii) Iron (III) chloride from Iron.
(iii) Potassium sulphate from potassium hydroxide solution.
(iv) Lead chloride from lead carbonate (two equations).

Q. Write equations for the laboratory preparation of the following salts, using sulphuric acid:
(i) iron (II) sulphate from the iron.
(ii) copper sulphate from copper.
(iii) lead sulphate from lead nitrate.
(iv) sodium sulphate from sodium carbonate.

Q. State how would you prepare copper (II) oxide from
(a) copper nitrate.
(b) copper carbonate.
(c) copper sulphate.

Write a balanced equation for the preparation of each of the following salts.

(i) Copper sulphate from Copper carbonate

(ii) Zinc carbonate from Zinc sulphate

For the preparation of the following salts - give a balanced equation in each case.

(iii) Potassium sulphate from KOH solution

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Brown Ring Test

Standard X Chemistry

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