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Nitrous Oxide

Laughing gas ...

Question

Laughing gas is:

A

nitrogen pentoxide

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B

nitrous oxide

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C

nitrogen trioxide

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D

nitric oxide

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Solution

The correct option is B nitrous oxide
Nitrous oxide $(N_{2} O)$ is the laughing gas as it produces hysterical laughter. It is diamagnetic (due to absence of unpaired electrons) and linear molecule.

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Q. Match the column I with column II and mark the appropriate choice.

Column I	Column II
(A) Laughing gas	(i) Hydrazoic acid
(B) Anhydride of $H N O_{3}$	(ii) Nitrous oxide
(C) Anhydride of $H P O_{3}$	(iii) Nitrogen pentoxide
(D) Acid hydride of nitrogen	(iv) Phosphorus pentoxide

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