Formation of Sodium Peroxide

2Na + O2 → Na2O2

Ikhtisar

When sodium burns in excess oxygen, it forms sodium peroxide rather than sodium oxide. This yellowish-white compound is a powerful oxidizer. Unlike the lighter alkali metals, sodium preferentially forms the peroxide due to the size ratio of the ions.

Peserta

Peran Zat Koefisien Keadaan
Reaktan Oxygen O 1 (g)
Reaktan Sodium Na 2 (s)

Contoh Sehari-hari

Sodium peroxide has been used in submarine air purification systems, reacting with CO2 to release oxygen.

Pentingnya dalam Industri

Used as an oxygen-generating agent in emergency breathing apparatus, as a bleaching agent for textiles, and as a powerful oxidizer in organic chemistry.

Frequently Asked Questions

What is the equation for Formation of Sodium Peroxide?
The balanced equation is: 2Na + O₂ → Na₂O₂.
What type of reaction is Formation of Sodium Peroxide?
Formation of Sodium Peroxide is a synthesis reaction.
Is Formation of Sodium Peroxide exothermic or endothermic?
Formation of Sodium Peroxide is exothermic (releases energy). The enthalpy change (ΔH) is -510.9 kJ/mol.