IUPAC name of the simplest aromatic carboxylic acid has to be chosen from the given options. Concept Introduction: For naming a carboxylic acid in IUPAC nomenclature , the suffix “-oic” is added to the parent alkane name. IUPAC rules for naming a carboxylic acid: The longest parent carbon chain is identified that includes the carboxyl group. The parent chain name is changed by replacing the suffix “-e” with “-oic acid”. Numbering is done in a way that the carboxyl group is designated as number 1. This is not indicated in the part of the name because for carboxylic acid, the carboxyl carbon is always numbered 1. The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name. If the carboxyl functional group is attached to a ring of carbon atoms, the ring is named and “-carboxylic acid” is added as suffix. If the compound contains two carboxyl groups in its structure, then the suffix “-dioic acid” is added to the parent alkane name without replacing the suffix “-e” in the parent alkane name.

Question

What two chemicals can be reacted together to fom an ester? A- An alcohol and a carboxylic acid B- A carboxylic acid and an alkali C- Two carboxylic acids D-Non of these Answer A Answer B Answer C Answer D

Answer 1

Question

Chapter 16.2, Problem 5QQ

Interpretation Introduction

Interpretation:

IUPAC name of the simplest aromatic carboxylic acid has to be chosen from the given options.

Concept Introduction:

For naming a carboxylic acid in IUPAC nomenclature, the suffix “-oic” is added to the parent alkane name.

IUPAC rules for naming a carboxylic acid:

The longest parent carbon chain is identified that includes the carboxyl group.

The parent chain name is changed by replacing the suffix “-e” with “-oic acid”.

Numbering is done in a way that the carboxyl group is designated as number 1. This is not indicated in the part of the name because for carboxylic acid, the carboxyl carbon is always numbered 1.

The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

If the carboxyl functional group is attached to a ring of carbon atoms, the ring is named and “-carboxylic acid” is added as suffix.

If the compound contains two carboxyl groups in its structure, then the suffix “-dioic acid” is added to the parent alkane name without replacing the suffix “-e” in the parent alkane name.

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