Question

What is the IUPAC and common name of CF3COOOH?

Answer 1

Common-peroxy trifluoroacetic acid

Iupac-2,2,2trifluoro ethanoic acid

Answer 2

IUPAC name and common name of $CF_3COOH$.

• To write the IUPAC name of a compound, the following things must be first identified they are:

1. Substituents whose name must be written as prefix of the compound.
2. Number of carbons
3. Nature of bond
4. Functional group whose name must be written as suffix of the compound.

• Accordingly, when the given structure is examined, it gives the following details:

1. The given structure has 3 fluorine atoms as substituents located in 2nd carbon. Thus perfix is '2,2,2-Trifluro'. (Refer attachment)
2. There are 2 carbon atoms present in the chain. Thus the root word is '-Eth'.
3. Since all the carbon has single bond, the nature of bond is ;-ane'.
4. The functional group attached is '-COOH' which is a ketone. Thus the suffix is '-oic acid'.
5. While numbering, the numbering should be done in such a way that the main functional group gets the lowest number.
6. In the given case, the main functional group is -COOH. As it is present in the right side the numbering must be started from right as shown in the attachment.

• Thus the IUPAC name of the given compound is identified as 2,2,2-trifluoro ethanoic acid.
• This compound is commonly called as Trifluoro acetic acid.

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