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JEE Main levelOne or more correct optionsDifficulty 2 of 3nm243

Which of the following statements about the compound shown are correct?

  1. AThe hydroxyl group is the principal characteristic group.
  2. BThe compound is named 4-aminobutan-2-ol.
  3. CThe suffix of the name is -amine.
  4. DThe molecular formula is .

Answer: A, B, D

The compound is 4-aminobutan-2-ol (C4H11NO). Alcohol outranks amine, so -ol is the suffix, with the OH at the lowest locant (2), and amino is a prefix at C4. The suffix -amine would be correct only if the OH were absent.
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