Question

3. How does the oxygen gas reacts with the following? Support your answer by fully balanced equations.

(b) Magnesium

Answer 1

• When a magnesium $\left(\mathrm{Mg}\right)$ ribbon is exposed to oxygen, it will burn. A bright white flame and a white material known as magnesium oxide were formed.
• The given reaction is:
• $\underset{\mathrm{Magnesium}\mathrm{Oxygen}\mathrm{Magnesium}\mathrm{oxide}}{2\mathrm{Mg}+{\mathrm{O}}_2\to 2\mathrm{MgO}}$
• Magnesium oxide or magnesia is a milky white powder.