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5 cards from this section. Quick, good the night before a test.
What is the general formula of a ketone, and what is the IUPAC suffix for ketones?
Think about what is bonded on each side of the carbonyl carbon.
Give the IUPAC name and two common names of CH3COCH3.
Count the carbon atoms in the chain, then name the two groups on the carbonyl carbon.
Which is the smallest possible ketone?
Count the minimum number of carbons a ketone needs.
What is the IUPAC name of CH3COCH=CH2?
The principal functional group gets the lowest number.
A ketone X has the molecular formula C4H8O. (a) Give its structure, IUPAC name and common name. (b) Name an isomer of X that contains a carbonyl group but is not a ketone, and state the type of isomerism.
Put the carbonyl group inside a four-carbon chain, then try it at the end of the chain.
Using the structure of the carbonyl group, explain why propanone is less reactive than ethanal towards nucleophiles, even though both contain a C=O group.
Consider both the electronic (+I) effect and the steric effect of the groups on the carbonyl carbon.
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