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Question
Correct IUPAC name for \[\begin{array}{cc}
\ce{H3C - CH - CH - CH3}\\
\phantom{}|\phantom{......}|\phantom{..}\\
\phantom{..}\ce{C2H5}\phantom{..}\ce{C2H5}\phantom{}
\end{array}\] is ______.
Options
2-ethyl-3-methylpentane
3, 4-dimethylhexane
2-sec-butylbutane
2, 3-dimethylbutane
Solution
Correct IUPAC name for \[\begin{array}{cc}
\ce{H3C - CH - CH - CH3}\\
\phantom{}|\phantom{......}|\phantom{..}\\
\phantom{..}\ce{C2H5}\phantom{..}\ce{C2H5}\phantom{}
\end{array}\] is 3, 4-dimethylhexane.
Explanation:
\[\begin{array}{cc}
\ce{H3C - \overset{3}{C}H - \overset{4}{C}H - CH3}\\
\phantom{}|\phantom{......}|\phantom{..}\\
\phantom{}\ce{\underset{3, 4-Dimethylhexane}{\phantom{.}\overset{1}{C}H3\overset{2}{C}H2\phantom{...}\overset{5}{C}H2\overset{6}{C}H3}}\phantom{}
\end{array}\]
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