Question

Which are the correct IUPAC names of the following compound?

\[\begin{array}{cc}
\ce{HC(CH3)2}\phantom{............}\\
|\phantom{.................}\\
\phantom{.....}\ce{H3C - CH2 - CH2 - CH - CH - CH2 - CH2 - CH2 - CH2 - CH3}\\
|\phantom{.....}\\
\phantom{}\ce{H3C - CH - CH2CH3}
\end{array}\]

(i) 5–Butyl – 4–isopropyldecane

(ii) 5–Ethyl – 4–propyldecane

(iii) 5–sec–Butyl – 4–iso-propyldecane

(iv) 4–(1-methylethyl)– 5 – (1–methylpropyl)–decane

Answer 1

(iii) 5–sec–Butyl – 4–iso-propyldecane

(iv) 4–(1-methylethyl)– 5 – (1–methylpropyl)–decane

Explanation:

The longest carbon chain is of 10 carbon atom