Question

What is the name of this alkane?

Answer 1

Answer:

Name of this alkane is 1-ethyl-3-methylcyclohexane

Explanation:

It is a derivative of cyclohexane. So main carbon chain is cyclohexane.

There are two substituents- methyl and ethyl

Numbering starts by assigning carbon attached with ethyl group as 1 and carbon attached to methyl group is numbered as 3 to give lowest possible numbering.

Carbon bearing ethyl group is numbered as 1 because "e" comes first compared to "m" in alphabetical order

Answer 2

It's a cyclohexane ring with an ethyl group at 1 and a methyl group at 3. The Ethyl group is bigger and more important group get's the first position.

1-ethyl-3-methylcyclohexane