Chemistry · Nomenclature (Trivial and IUPAC)
The correct IUPAC name of the alkyl group,
The correct IUPAC name of the alkyl group, \( \begin{array}{cc}c_{2} H_{5} & c_{2} H_{5} \\ C H_{3}-C H-C H_{2}-C H^{\prime}-C H_{3} & \end{array} \)
- A. 2-ethyl-3-sec-butyl propyl
- B. 2,4-diethyl pentane
- C. 2-ethyl-4-methylhexyl
- D. 2-methyl-4-ethylexyl
Step-by-step solution
The longest continuous carbon chain is 6 carbons (hexyl) when including one ethyl group as part of the main chain. Numbering from the end nearer the first branch places an ethyl on carbon 2 and a methyl on carbon 4, giving the name 2-ethyl-4-methylhexyl.
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