Functional Groups and Nomenclature - Competitive Exam Level

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This section is specifically designed to prepare students for high-frequency, high-accuracy questions on functional groups and nomenclature asked in competitive examinations such as JEE (Main & Advanced), NEET, and other national-level tests. The focus is on speed, precision, and elimination-based reasoning.

In this section, you will practice:

  • Rapid identification of functional groups in complex structures

  • IUPAC naming of polyfunctional and highly substituted compounds

  • Priority rules and functional group hierarchy in tricky questions

  • Commonly tested exceptions and confusing nomenclature cases

  • Conversion between structural formulas and IUPAC names

  • Multiple-choice questions with close options and traps

  • Assertion–reason, match-the-following, and integer-type problems

  • NCERT-based and previous-year exam pattern questions

The content is structured to improve exam temperament, strengthen logical elimination techniques, and ensure error-free nomenclature under time pressure.

Master functional groups and nomenclature at the competitive exam level to confidently score in organic chemistry sections and avoid common naming and identification mistakes.

Q. What is the IUPAC name for the compound CH3-CH2-CH(CH3)-C(=O)OH?
  • A. 3-Methylbutanoic acid
  • B. 2-Methylbutanoic acid
  • C. 4-Methylbutanoic acid
  • D. Pentanoic acid
Q. What is the IUPAC name for the compound with the formula C4H8O2 that has a double bond and a carboxylic acid group?
  • A. Butenoic acid
  • B. Butanoic acid
  • C. 2-Butenoic acid
  • D. 3-Butenoic acid
Q. What is the IUPAC name for the compound with the structure CH3-CH2-CH2-CO-NH2?
  • A. Butanamide
  • B. Butanoic acid
  • C. Propionamide
  • D. Pentanoic acid
Q. Which of the following compounds contains a phenyl group?
  • A. C6H5-CH3
  • B. C6H5-COOH
  • C. C6H5-NH2
  • D. All of the above
Q. Which of the following is the functional group of amines?
  • A. -OH
  • B. -NH2
  • C. -COOH
  • D. -C=O
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