Lesson eLearning

What is the IUPAC name of the compound ?

easy 1 mark Class 12 · Chemistry · Amines
Answer
2-aminobutane

The correct answer is 2-aminobutane — Write the name by putting the amino substituent first, then the parent chain with correct numbering: 2‑aminobutane.

Step-by-step solution

  1. Identify the longest continuous carbon chain; it is a four‑carbon chain, so the parent is butane.
  2. Locate the substituent on the chain; the amino group is on the second carbon.
  3. Write the name by putting the amino substituent first, then the parent chain with correct numbering: 2‑aminobutane.
Common mistake: Calling it amino‑butane or mis‑numbering the chain

Concept tested: IUPAC nomenclature of aliphatic amines

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