Question

big idea/ learning goal demonstration

1. name the following molecules:

i can name organic compounds.
youve got it!
next steps:

Explanation:

Step1: Identify longest carbon - chain

For a, the longest carbon - chain has 6 carbons (hexane).

Step2: Locate and name substituents

There is an ethyl group at the 3 - position and two methyl groups at the 2 and 4 positions, so it is 3 - ethyl - 2,4 - dimethylhexane.

Step3: Analyze double - bond orientation for b

The two methyl groups are on opposite sides of the double - bond in b, so it is trans - but - 2 - ene.

Step4: Identify functional groups and longest chain for c

The longest chain has 6 carbons with a triple - bond at the 2 - position, a methyl at the 4 - position and a fluoro at the 5 - position, so it is 5 - fluoro - 4 - methylhex - 2 - yne.

Step5: Name cyclic and main - chain for d

The main chain has 8 carbons (octane) and a cyclopentyl group at the 3 - position, so it is 3 - cyclopentyloctane.

Answer:

a. 3 - ethyl - 2,4 - dimethylhexane
b. trans - but - 2 - ene
c. 5 - fluoro - 4 - methylhex - 2 - yne
d. 3 - cyclopentyloctane