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Polymerisation of Alkynes

When ethyne i...

Question

When ethyne is passed through a red hot tube, is formed

A

Cyclohexane

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B

Methylbenzene

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C

Benzene

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D

Ethane

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Solution

The correct option is C Benzene
Cyclic polymerisation of Alkynes: Ethyne on passing through a red hot iron tube at 873 K undergoes cyclic polymerisation to produce one molecule of benzene.

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Polymerisation of Alkynes

Standard XII Chemistry

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