Which of the following is the correct IUPAC name ?

Options

A. 3-ethyl-4, 4-dimethylheptane
B. 4, 4-dimethyl-3-ethylheptane
C. 5-ethyl-4, 4-dimethylheptane
D. 4, 4-bis(methyl)-3-ethylheptane

Answer

1

Explanation

The structure `CH_(3) - CH_(2) - CH_(2) - underset(CH_(3)) underset(|)overset(CH_(3))overset(|)(C) - underset(C_(2)H_(3))underset(|)(CH) - CH_(2) - CH_(3)`
While writing IUPAC name, alkyl groups are written in alphabetical priority, thus lower locant 3 is assigned to ethyl
Note Prefix di, tri, tetra are not included in alphabetical order