Madhya Pradesh Police Exam Model Paper 2

The correct answer is Nitrous Oxide .

• The chemical formula of Laughing gas is N₂O (nitrous oxide).
• The oxidation state of each nitrogen atom in N₂O is +1 and that of Oxygen is -2.
• It is a colorless and odorless gas which was termed as Laughing Gas by Humphry Davy.
• The gas is used as an oxidizer in the rockets and internal combustion engines.
• It is also used in the field of medicine as an analgesic .
• Inhalation of Nitrous oxide leads to the release of dopamine in our body that causes euphoria and makes a person laugh.
• N₂O is a Greenhouse Gas also, with a Global warming potential of 298 times as compared to carbon dioxide.