A hydrocarbon has five carbon atoms in a chain and the last carbon atom is attached to a chlorine atom. The name of this compound is.

1-chloropentane

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5-chloropentene

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5-chloropentane

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Solution

The correct option is A 1-chloropentane
$C H_{3} - C H_{2} - C H_{2} - C H_{2} - C H_{2} - C l$ is the compound.

$∙$ The numbering will start from the carbon atom with chlorine.
$∙$ As chlorine is present as a substituent on the carbon chain, -chloro will be added as prefix while naming the compound. The position of chlorine is 1.
$∙$ The word root will be pent as there are five carbon atoms in the main chain.
$∙$ The suffix will be -ane as there are only carbon-carbon single bonds in the compound.
$∙$ Hence, the name of the compound is 1-chloropentane.

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