Question

The correct IUPAC name of the compound is:

$C{H}_3-C{H}_2-C{H}_2-\begin{array}{ccc}& C{H}_3& \\ & |& \\ CH-& CH-& C{\left(C_2{H}_5\right)}_3\\ |& & \\ CH{\left(C{H}_3\right)}_2& & \end{array}$

• A. 3,3-Diethyl-4-methyl-5-(1-methylethyl) octane
• B. 6,6-Diethyl-4-methyl-5-isopropyloctane
• C. 6.6-Diethyl-3-methyl-5-(1-methylethyl) octane
• D. 6,6-Diethyl-4-isopropyl-5-methyloctane

Answer 1

The correct option is A 3,3-Diethyl-4-methyl-5-(1-methylethyl) octane

According to IUPAC rules-

No. of carbon atoms in chain > Substitute groups

IUPAC NAME $=3,3$ - Diethyl - $4$ - methyl - $5$ - ($1$ - methylethyl)octane

Hence, the correct option is $A$