Question

Question: a. Which compounds (B–F) are identical to A? b. Which compounds (B–F) represent an isomer of A?

Short answer

Answer

a. B, C, and E are identical to A.

b. D and F are isomers of A.

Step-by-step solution

Isomer

An isomer is represented by changing the location of groups or atoms of the main compound. It has the same molecular composition as the main compound.

An identical structure is obtained when the groups are at the same positions, and the number of carbon and hydrogen atoms is also the same.

Explanation

a. Compound A has a chain of six carbon atoms and a methyl group at the third position.

Compounds B, C, and E are identical to A because they all have a chain of six carbon atoms and a methyl group substituted at the third position.

b. Compound A has a total of seven carbon and sixteen hydrogen atoms. Therefore, the isomers of A are D and F because they both have the same number of carbon and hydrogen atoms.