Hydrated copper sulphate is heated

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Hydrated copper sulphate is heated

Posted by Sandesh Hb 6 years, 9 months ago

CBSE > Class 10 > Science

3 answers

Vivek Raj 6 years, 9 months ago

Hydrated CuSO₄ is heated :- When CuSO₄.5H₂O ( Hydrated copper sulphate) , contains 5 molecules of water of crystallisation. Salts containing water of crystallisation are called hydrated salts. When the hydrated salt (CuSO₄.5H₂O ) is heated, it loses its water of crystallisation and becomes anhydrous salts (without water of crystallisation). The blue colour of CuSO₄ is due to the presence of water of crystallisation. Hence, when it loses its water of crystallisation, the solution becomes colourless. Equation :- Heat CuSO₄.5H₂O ------------------------> CuSO₄ + 5H₂O

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Ritika Rana 6 years, 9 months ago

A reversible reaction of hydrated copper(II) sulfate. Students remove the water of crystallisation from hydrated copper(II) sulfate by heating. Condensing the vapour produced in a second test-tube collects the water. The white anhydrous copper(II) sulfate is then rehydrated and the blue colour returns.

2Thank You

Paul Bhai 6 years, 9 months ago

Science to me bhul hi gya

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CBSE > Class 10 > Science