A hydrocarbon chain with molecular formula $C_{7} H_{16}$ is numbered in four different ways. Identify the correct numbering from the options given below.

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Solution

The correct option is C

Let us begin by numbering the longest chain. According to the IUPAC rules of nomenclature the longest chain should be considered as the main chain. No matter which outer carbon we start with, the longest chain is 6 carbons long.

Numbering in the carbon chain should be done in such a way that the carbon chain having the branch gets the lowest number. Therefore, option (c) is showing the correct numbering.

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Similar questions

A hydrocarbon chain having molecular formula $C_{7} H_{16}$ is numbered in four different ways. Which option is correctly representing the numbering of carbon atoms?

Q. A hydrocarbon has molecular formula

C_{7} H_{16}

which on monochlorination with

C l_{2} / h v

gives four constitutional isomers.

Predict the structure of the hydrocarbon.

Q. The open chain aliphatic hydrocarbon with molecular formula

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is :

Structural isomers are compounds with same molecular formula and with different structures but same number of carbon atoms in the parent chain.

Q. Compound with a molecular formula

C_{7} H_{16}

will have:

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A hydrocarbon chain with molecular formula C7H16 is numbered in four different ways. Identify the correct numbering from the options given below.

A hydrocarbon chain with molecular formula $C_{7} H_{16}$ is numbered in four different ways. Identify the correct numbering from the options given below.