Chapter 20, Problem 5STP

Interpretation Introduction

Interpretation: The functional group having $\text{C}-\text{O}$ bond needs to be determined.

Concept Introduction:Functional group: An atom or group ofatoms in a hydrocarbonderivative that containselements in addition tocarbon and hydrogen.

Answer to Problem 5STP

C. ester, aldehyde, ketone.

Explanation of Solution

The functional groups of esters, aldehydes and ketone are $\begin{array}{l}\text{O}\\ \left|\right|\\ -\text{C}-\text{O}-\end{array}$ , $\begin{array}{l}\text{O}\\ \left|\right|\\ -\text{C}-\text{H}\end{array}$ and $\begin{array}{l}\text{O}\\ \left|\right|\\ -\text{C}-\end{array}$ and all of these has $\text{C}-\text{O}$ bond.

Conclusion

Functional group determines whether the molecule is an alcohol or not.