Question

What is the Difference between Copper Oxide and Magnesium Oxide, when both compounds are reacted with Concentrated Hydrochloric acid?

Give at least 2 Differences?

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Answer 1

Copper oxide is a weak base, and it easily reacts with HCl forming soluble copper(II) chloride and water.

CuO(s) + 2HCl(aq) = CuCl2(aq) + H2O(l)



MAGNESIUM OXIDE WITH HCL

MgO+2HCl−>MgCl2+H2O

Magnesium oxide reacts with hydrochloric acid to form magnesium chloride salt and water.