Chapter 23, Problem 33R

To determine

To complete: The given sentence.

Explanation of Solution

Introduction:

Compounds like pentane, isopentane and neopentane have the same chemical formula but different structures.

Some compounds like pentane, isopentane and neopentane have the same formula, ${\text{C}}_5{\text{H}}_{12}$ , but different structures due to different arrangements of carbon atoms. These compounds also have different physical and chemical properties.

Conclusion:

Compounds that have identical chemical formulas but different structures are termed as isomers.