Chapter 11, Problem 11.30E

Which of the following pairs represent structural isomers, and which are simply the same compound?

a. and ${\text{CH}}_3{\text{CH}}_2{\text{CH}}_2{\text{CH}}_3$

b. and ${\text{CH}}_3{\text{CH}}_2{\text{CH}}_2{\text{CH}}_2{\text{CH}}_2{\text{CH}}_3$

c. and ${\text{CH}}_3{\text{CH}}_2{\text{CH}}_2{\text{CH}}_3$

d. and