The formula for the functional group of ether is R–O–R– group. Details about functional group can be found below.
What is a functional group?
A functional group is a specific grouping of elements that is characteristic of a class of compounds, and determines the chemical properties of that class.
Ether is any of a class of organic compounds containing an oxygen atom bonded to two hydrocarbon groups.
Therefore, the formula for the functional group of ether is R–O–R– group.
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