1.

Show that presence of three double bonds in benzene.

Answer»

Solution :When benzene adds THREE molecules of hydrogen in presence of nickel catalyst of formcyclohexane
`C_(6)H_(6) + underset("Benzene")(3H_(2)) underset(180^(@)C)overset(" "Ni" ")(rarr) underset("CYCLOHEXANE")(C_(6)H_(12)`


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