Question

What do you observe when:

Burning magnesium wire is introduced in a jar of carbon dioxide.

Answer 1

Observation:

• Mangnesium does not extinguished but burns more brightly.
• As it reacts with oxygen in the carbon dioxide and form magnesuim oxide .
• Black sooth of carbon will be reamin in jar as a by product.

2Mg(s) + CO2(g) ⟶ 2MgO(s)+ C(s)

magnesium carbon dioxide magnesium oxide carbon(black sooth)