Nitrous oxide - N2O

What is Nitrous oxide?

Nitrous oxide is an oxide of nitrogen with a chemical formula N2O. This organic compound is colorless and non flammable at room temperature. It is also known as nitrous or laughing gas. Joseph Priestley was the first to identify nitrous oxide in the year 1772. This compound is insoluble in water and works as a powerful oxidizer at higher temperatures. It has a slightly sweet odor and appears as a colorless gas. When inhaled in small amount it causes mirth and euphoria. It is the world’s number one inhaled anesthetic as it works as a quick pain reliever. It can cause a narcotic effect at higher concentrations and lead to death by asphyxia.

Properties of Nitrous oxide – N2O

N2O Nitrous oxide
Molecular Weight/ Molar Mass 44.013 g/mol
Density 1.98 kg/m³
Boiling Point -88.48 °C
Melting Point −90.86 °C

Nitrous oxide structure – N2O

Nitrous oxide structure

N2O Uses (Nitrous oxide)

  • It is used rocket motor as an oxidizer
  • It is used as a food additive as an aerosol spray propellant
  • It is used in the manufacturing of semiconductors
  • It is used in the medical field as an analgesic and anesthetic
  • It is used as a flavoring ingredient
  • It is used in car racing as a fuel additive
  • It is used in dentistry
  • It is used to manufacture chemicals
  • It is used in surgery

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Practise This Question

Complete the following

2Al2O3+3C4A+3B. A & B are as follows.

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