1.

Give three examples for heterogeneous catalysis.

Answer»

Solution :(i) Hydrogenation of ethylene in the PRESENCE of Nickel
`underset("Ethylene")(CH_2)=CH_2+H_2 OVERSET(Ni)to underset("Ethane")(CH_3)-CH_3`
(ii) Decomposition of `H_2O_2` with Pt catalyst .
`underset("Hydrogen peroxide")(2H_2O_2)overset(Pt) to underset("Water")(2H_2O) + O_2`

(iii) Friedelcrafts reaction
`underset("Benzene")(C_6H_6) + underset("Ethanoylchloride")(CH_3COCl)underset(AlCl_3)overset("ANHYDROUS")to underset("Acetophenone")(C_6H_5COCH_3) + HCl`


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