Which functional group does not contain a double bond to an oxygen atom?
A) ester
B) aldehyde
C) ether
D) amide
E) ketone

Name: Which functional group does not contain a double bond to an oxygen atom? A) ester B) aldehyde C) ether D) amide E) ketone
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Question

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Ether does not contain a double bond to an oxygen atom. Ester (A), aldehyde (B), amide (D), and ketone (E) all contain a double bond to an oxygen atom in their functional groups.

Which Functional Group Does Not Contain a Double Bond to an Oxygen