Question

In: Chemistry

Is sulfoxide functional group acidic? And why?

Is sulfoxide functional group acidic? And why?

Solutions

Expert Solution

Sulphoxide function group

This fictional group contains (SO) sulfinyl group which is attached to the two carbon atoms. And it is a polar functional group

Acidity of any functional group is based on how easily it can give proton and this is calculated and Pka of it is determined

Elements having sulfoxide functional group don't have protons to donate unlike carboxylic acid functional group

The lower the Pka value higher the acidity

For ex. HCl has Pka -9.0

Water has Pka 14

Dimethyl sulfoxide (contains sulfoxide ions) has pka value 35

Which tells us that it is not acidic

Sulfoxide functional group is not acidic in nature

Or very very very weak acid.


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