Chemistry · Nomenclature (Trivial and IUPAC)

The IUPAC name of _{2} \boldsymbol{C H}- \) is

The IUPAC name of \( \left(\boldsymbol{C H}_{3}\right)_{2} \boldsymbol{C H}- \) \( \boldsymbol{C H}_{2}-\boldsymbol{C H}_{2} \boldsymbol{B r} \) is

  • A. 1-bromopentane
  • B. 1-bromo-3-methylbutane
  • C. 2-methyl-4-bromobutane
  • D. 2-methyl-3-bromopropane

Step-by-step solution

The structure (CH3)2CH-CH2-CH2Br has a longest carbon chain of 4 carbons (butane) with a bromine substituent at C1 and a methyl substituent at C3, giving the IUPAC name 1-bromo-3-methylbutane.
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