Chemistry, asked by sahibha2928, 1 year ago

how i convert benzene from ethelene

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Answered by Anonymous
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Conversion of benzene into ethene involves following steps.

Step-1:—Conversion of benzene into ethyne.

Benzene is treated with ozone to form benzene triozonide,which is heated with zinc dust to form glyoxal.

Glyoxalis reduced by LiAlH₄ to give ethylene glycol,which on dehydration by conc. H₂SO₄ gives ethyne.



Step-2:—Hydrogenation of ethyne.

Ethyne is reacted with hydrogen in presence of catalyst like Ni or Pd or Pt to form ethene.




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