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Chains, Rings and Branches

Which of the ...

Question

Which of the following rules should be followed while identifying parent chain?

A

Maximum number of multiple bonds

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B

Maximum length of chain

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C

Maximum number of single bonds

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D

All of above

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Solution

The correct option is D All of above
The parent chain must obey the following rules, in order of precedence:
It should have the maximum number of substituents of the suffix functional group.
It should have the maximum number of multiple bonds.
It should have the maximum number of single bonds.
It should have the maximum carbon chain length.
Hence option $D$ is correct.

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