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Question

The hydrocarbon which is used for the artificial ripening of fruits has "x" carbon atoms. The main component of LPG is a hydrocarbon with "y" number of carbon atoms. Among the following hydrocarbons identify the alkyne which has "x + y" carbon atoms.


A

Pentyne

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B

Hexyne

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C

Heptyne

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D

Nonyne

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Solution

The correct option is B

Hexyne


We know, ethene is used for the artificial ripening of fruits. Ethene has 2 carbon atoms. So, x = 2.

The main component of LPG(liquified petroleum gas) is butane which has 4 carbon atoms. Thus, y = 4.

Alkynes use "-yne" as their suffix. We need to find the alkyne with (x+y) = 6 carbon atoms.

The root word for hydrocarbon with 6 carbon atoms is "hex".

So, the required alkyne is "Hexyne".


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