Question

The correct IUPAC name for 2-isopropylbutane is: a) 2-ethylpentane b) 2,3-dimethylpentane c) 2-methylhexane d) 3-methylhexane

Answer 1

Answer:

a

Explanation:

On drawing the structure, the most Carbon atoms in a row is 5

• ⇒ pentane

The remaining two carbon atoms are connected to the 2nd carbon atom

• 2-ethyl

IUPAC name is :

• 2-ethyl + pentane
• 2-ethylpentane