What occurs when copper(II) oxide is treated with sulfuric acid?

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What occurs when copper(II) oxide is treated with sulfuric acid?

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Answer 1 · 2016-08-28T17:51:13

The oxide should go up into solution to give a beautiful blue colour.

Explanation:

$C u O (s) + H_{2} S O_{4} (a q) \to C u^{2 +} + S O_{4}^{2 -} + H_{2} O$ $CuO(s) + H_2SO_4(aq) rarr Cu^(2+) + SO_4^(2-) + H_2O$

The $C u^{2 +}$ $Cu^(2+)$ ion in water (probably $C u {(O H_{2})}_{2}^{2 +}$ $Cu(OH_2)_6^(2+)$ ) gives a truly beautiful blue colour, from which large macroscopic crystals can be obtained.

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What occurs when copper(II) oxide is treated with sulfuric acid?

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