Question

# $\underset{\mathrm{magnesium}}{2\mathrm{Mg}\left(\mathrm{s}\right)}+\underset{\mathrm{Oxygen}}{{\mathrm{O}}_{2}\left(\mathrm{g}\right)}\to \underset{\mathrm{Magnesium}\mathrm{oxide}}{2\mathrm{MgO}\left(\mathrm{s}\right)}$In this reaction, explain the experiment that you conduct to decide on the product as a basic oxide.

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Solution

## $\underset{\mathrm{magnesium}}{2\mathrm{Mg}\left(\mathrm{s}\right)}+\underset{\mathrm{Oxygen}}{{\mathrm{O}}_{2}\left(\mathrm{g}\right)}\to \underset{\mathrm{Magnesium}\mathrm{oxide}}{2\mathrm{MgO}\left(\mathrm{s}\right)}$The experiment that is conducted to decide on the product as a basic oxide is as follows:Take the product of the reaction [Magnesium oxide(MgO)] and dissolve it in water.$\underset{\mathrm{Magnesium}\mathrm{oxide}}{\mathrm{MgO}\left(\mathrm{s}\right)}+\underset{\mathrm{Water}}{{\mathrm{H}}_{2}\mathrm{O}\left(\mathrm{l}\right)}\to \underset{\mathrm{Magnesium}\mathrm{Hydroxide}}{2\mathrm{Mg}{\left(\mathrm{OH}\right)}_{2}\left(\mathrm{aq}.\right)}$ 3. Add red litmus paper to the aqueous solution of Magnesium oxide. 4. If a red litmus paper turns blue. This indicates that an aqueous solution of Magnesium oxide is either alkaline or basic in nature.

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