A carbon-oxygen double bond is NOT present in which of the following molecules?
A) Dimethyl ether
B) Methyl acetate
C) Acetone
D) Acetic acid
E) Acetaldehyde
IMAT 2024 · Question 42
Q42 - Functional groups
Pinned
The correct answer is A) Dimethyl ether.
Only dimethyl ether, CH₃–O–CH₃, has no C=O. Its oxygen only has single bonds.
The others all have a carbonyl: methyl acetate (ester), acetone (ketone), acetic acid (carboxylic acid) and acetaldehyde (aldehyde).
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