Chapter 13, Problem 13.139AP

(a)

Interpretation Introduction

To determine: The number of carbon atoms in dodecenal.

Interpretation: The number of carbon atoms in dodecenal is to be stated.

Concept introduction: Antibacterial agents destroy bacteria by suppressing their growth. Salsa has antibacterial properties because it contains dodecenal, a compound found in the cilantro used to make salsa.

(b)

Interpretation Introduction

To determine: The functional groups present in dodecenal.

Interpretation: The functional groups present in dodecenal are to be stated.

Concept introduction: The IUPAC nomenclature of organic compound is a method used for naming organic chemical compounds as recommended by the International Union of Pure and Applied Chemistry (IUPAC).

Aldehydes and ketones contain carbonyl $\left(\text{C=O}\right)$ functional group in their parent chain and are named by adding prefix –al and –one to the name of the parent alkane. Aldehydes contains a carbonyl group bound to one R group and one hydrogen atom. The general formula of aldehyde is $\text{RCHO}$.

(c)

Interpretation Introduction

To determine: The type of isomerism possible in dodecenal.

Interpretation: The type of isomerism possible in dodecenal is to be predicted.

Concept introduction: Organic compounds which have similar chemical formula but different structures, i.e., the atoms are in a different spatial arrangement, they are known as structural isomers. Cis and Trans isomers are also structural or geometrical isomers.