Question

What is the iupac name of what is the iupac name of ch3 - ch3 - ch- ch2- ch2-ch3?

Answer 1

2-methylpentane

Step-by-step explanation:

ch3 - ch3 - ch- ch2- ch2-ch3

H

H C H H H H

H - C - C - C - C - C - C - H

H H H H H H

C6H14

Longest chain of C is 5 so Pent

Methyl group on 2nd carbon

So it's 2-methylpentane

Answer 2

The way this should be written is :

(CH3)2CHCH2CH2CH3

Start numbering carbons at the end closest to methyl group. The chain is 5 carbons (pent = 5) long with methyl group on carbon 2.

2-methylpentane