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Acetylene trimerises to give benzene. Th...

Acetylene trimerises to give benzene. The reaction occurs in the presence of

A

Iron

B

Silica

C

`(C_(6)H_(5))_(3)+Ni(CO)_(4)`

D

`Cr_(2)O_(3)+p_(2)o_(5)`

Text Solution

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The correct Answer is:
c
When ethyne is passed through a red hot iron tube, benzene is formed. This reaction was first discovered in 1870. When this reaction is carried out in the presence of nickel carbonyl and triphenyl phosphene in benzene solution . `90%` yield is obtained.
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