Q.

The IUPAC name of the following compound

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a

3-dimethylamino-3-methyl pentane

b

3-(N,N-trimethyl)-3-aminopentane

c

3-N,N-trimethyl pentanimine

d

3-(N,N-dimethyl)amino-3-methylpentane

answer is D.

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Detailed Solution

Parent Chain: The longest continuous chain contains 5 carbon atoms, so the base name is pentane.

Substituents:

  • A methyl group (-CH3) is attached to the 3rd carbon of the parent chain.
  • An amino group (-NH2) is also attached to the 3rd carbon, where both hydrogens of the amino group are replaced by methyl groups (-CH3), forming an N,N-dimethylamino group.
  1. Numbering: The carbon chain is numbered from the end nearest to the substituents. This ensures that the substituents on the parent chain have the lowest possible numbers.

Full Name:

The compound is named 3-(N,N-dimethylamino)-3-methylpentane, highlighting the positions of the substituents and the structure of the compound.

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