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Question

Polymerisation reaction of Propyne in the presence of red hot Fe tube results in the formation of:

A
benzene
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B
toluene
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C
mesitylene
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D
cyclononane
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Solution

The correct option is B mesitylene
This process is similar to the process of obtaining benzene by trimerisation of ethyne.Here,just ethyne is substituted by propyne leading to the formation of mesitylene(shown in the figure above).
623880_587531_ans.png

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