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Introduction to Aromatic Compounds

Formation of ...

Question

Formation of benzene from acetylene is :

A

Trimerisation

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B

Tetramerisation

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C

Dimerisation

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D

Condensation

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Solution

The correct option is A Trimerisation

As in this process 3 molecule of acetylene is used to form benzene.

So, it's a trimerisation process.

Option A is correct.

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Similar questions

Q. The preparation of benzene from acetylene can also be said as:

Formation of ethylene from acetylene is an example of :

Q. The empirical formula of benzene and acetylene is :

Q. Which statement(s) is/are correct?
I) Benzene decolourises bromine water.
II) Benzene decolourises alkaline permanganate solution.
III) Acetylene decolourises alkaline permanganate solution.
IV) Acetylene decolourises bromine water.

Q. Match the conversion from List-1 with the process involved from List-2.

List - 1	List - 2
Conversion	Process involved
A)Benzene $\to$ Cyclohexane	1) Controlled hydrogenation
B)Ethylene $\to$ Formaldehyde	2) Hydrogenation
C) Acetylene $\to$ Ethylene	3) Ozonolysis
D) Benzene $\to$ Toluene	4) Alkylation

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