Textbook Problem

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What is the difference between a common name for a compound and a systematic name?

Interpretation Introduction

Interpretation:

The difference between common name and systematic name is to be written.

Concept Introduction:

 The systematic name is also known as IUPAC name, which is used to name any chemical compound. IUPAC stands for International Union of Pure and Applied Chemistry.

 Common name defines a chemical compound without following the systematic naming

convention.

 Common names of organic compounds are based on functional groups.

Explanation of Solution

A systematic approach to name a compound is needed so that it is identified separately, and unambiguously. IUPAC name are the systematic names. Common names do not follow systematic approaches but accepted and used. They are also called trivial names.

List of IUPAC and common names of compounds are as follows:

${\text{CH}}_3{\text{CH}}_2{\text{CH}}_3$, the common name for this is n-propane, while IUPAC name is propane.

${{\text{(CH}}_3\text{)}}_2{\text{CHCH}}_3$, the common name for this is iso-butane, while IUPAC name is $2-\text{methyl}$ propane