Question

Which of the following I.U.P.A.C. name for (CH₃)₂CH – CH₂ – CH₂Br is correct?

Options

• 2-methyl-4-bromo pentane

• 1-bromo pentane

• 1-bromo-3-methyl butane

• 2-methyl-3- bromopropane

Answer 1

1-bromo-3-methyl butane

Explanation:

\[\begin{array}{cc}
\ce{CH3 - CH - CH2 - CH2 - Br}\\
|\phantom{..............}\\
\ce{\underset{1-bromo-3-methyl butane}{CH3}}\phantom{............}
\end{array}\]