Question

The functional group which always occur in the middle of a carbon chain is

Answer 1

ketone group is the functional group.

Answer 2

Ketone group is always found in the middle of the carbon chain.

Explanation:

• Ketone is the name of a functional group presence of which in a compound classifies it as ketonic substance.
• It is structurally represented as:

-C-

 ||

O

• It is the only functional group which always takes its position in the middle of the carbon chain.
• The reason for this type of positioning is that the valency of carbon is 4. As in theketone group, carbon atom is attached with oxygen, it has 2 electrons.
• When the group is present in the middle, then only the carbon present in the ketone can attain octet.

Learn more about such concept

Define functional group and homologous series.

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