Q.

The IUPAC name of ' NH3' is

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a

Ammonia

b

Nitric hydrane

c

Azane

d

Nitrane

answer is C.

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Detailed Solution

The IUPAC name of NH3 is "Azane". Let's understand why:

  1. NH3 Name as per Common Usage: NH3 is widely known as Ammonia in everyday language and chemistry. This name is non-IUPAC but commonly accepted in general discussions.
  2. NH3 Name in IUPAC Nomenclature: According to the IUPAC system (International Union of Pure and Applied Chemistry), NH3 is called Azane. The "aza-" prefix represents nitrogen, and the "-ane" suffix is used for saturated compounds.
  3. Why Not Other Options?
  • Nitrane: This is not a recognized name for NH3 in IUPAC or common chemistry usage.
  • Nitric hydrane: This is also incorrect because it does not follow any established naming rules for NH3.
  • Ammonia: While this is the most popular name, it is not the IUPAC name.

Correct Answer: The IUPAC name for NH3 is Azane, even though many people still refer to it by its common name, Ammonia.

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