The correct IUPAC name for
 
is _____.

1. 2-Ethyl-3-methylpentane

2. 3,4-Dimethylhexane

3. 2-sec-Butylbutane

4. 2,3-Dimethylbutane

Hint: The parent Chain contains six carbon atoms.

The given compound contains six carbon atoms chain as a parent chain. Numbering should be done in such a way that the two methyl groups' positions must be the lowest. The structure of the molecule with numbering is as follows:

The parent chain name is hexane and it contains two methyl groups at 3rd and 4th positions. The IUPAC name of the compound is 3,4-Dimethylhexane.