A metal X forms a salt XSO 4- The salt XSO 4 forms a clear solution in water which reacts with sodium hydroxide solution to form a blue precipitate Y- Metal X is used in making electric wire and alloys like brass-a What do you think metal X could be-b Write the name- formula and colour of salt XSO 4-c What is the blue precipitate Y -d Write a chemical equation of the reaction which takes place when salt XSO 4 reacts with sodium hydroxide solution- Give the state symbols of all the reactants and products which occur in the above equation-

(a) Metal X could be copper (Cu). (b) The salt nbsp;XSO4 nbsp;is copper sulphate; its formula is CuSO4 and it is blue in colour. (c) Copper hydroxide [Cu( ...

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Question

A metal X forms a salt XSO₄. The salt XSO₄ forms a clear solution in water which reacts with sodium hydroxide solution to form a blue precipitate Y. Metal X is used in making electric wire and alloys like brass.
(a) What do you think metal X could be?
(b) Write the name, formula and colour of salt XSO₄.
(c) What is the blue precipitate Y?
(d) Write a chemical equation of the reaction which takes place when salt XSO₄reacts with sodium hydroxide solution. Give the state symbols of all the reactants and products which occur in the above equation.

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Solution

(a) Metal X could be copper (Cu).

(b) The salt XSO₄ is copper sulphate; its formula is CuSO₄ and it is blue in colour.

(c) Copper hydroxide [Cu(OH)₂] is the blue precipitate.

(d) CuSO₄ (aq) + 2NaOH (aq) $\to$ Cu(OH)₂ (s) + Na₂SO₄ (aq)

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(a) Metal X could be copper (Cu). (b) The salt XSO4 is copper sulphate; its formula is CuSO4 and it is blue in colour. (c) Copper hydroxide [Cu(OH)2] is the blue precipitate. (d) CuSO4 (aq) + 2NaOH (aq) → Cu(OH)2 (s) + Na2SO4 (aq)

(a) Metal X could be copper (Cu).

(b) The salt XSO₄ is copper sulphate; its formula is CuSO₄ and it is blue in colour.

(c) Copper hydroxide [Cu(OH)₂] is the blue precipitate.

(d) CuSO₄ (aq) + 2NaOH (aq) $\to$ Cu(OH)₂ (s) + Na₂SO₄ (aq)