
Concept explainers
Interpretation: The systematic name of glycerol should be determined.
Concept Introduction: The

Answer to Problem 65A
The systematic name of glycerol is propane-1,2,3-triol.
Explanation of Solution
In order to give the IUPAC name to the alcohol following steps are followed:
1. The parent (longest)
2. The ending of the parent chain from alkane (-e) is changed to -ol and the number is used to locate the -OH group of alcohol.
3. Name should be written in alphabetical order and numbering should be done in such a way that hydroxyl group gets lowest number.
The given structure is:
The parent chain in the given structure is of 3 carbon atoms, propane. Numbering is done in such a way that hydroxyl (-OH) group gets lower number as:
So, the systematic name will be: propane-1,2,3-triol.
Chapter 20 Solutions
World of Chemistry
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