Question

Classify the following as homogeneous or heterogeneous catalysis

and present your reasoning. (a) The increased rate in the presence of

NO(g) of SO₂(g) oxidation by O₂(g) to SO₃(g). (b) The hydrogenation

of liquid vegetable oil using a finely divided nickel catalyst. (c) The

conversion of an aqueous solution of d-glucose to a d,l mixture

catalysed by HCl(aq).

Answer 1

NO A 2 SO3 2 SO2 Ca) (3) Sane phae, Rea tant nd Cadalyst are in Homo geneous Catalysis phase gascous Nig Cb) Vege tab letH Hydrogenat'm phax, nd catalyst are in diffeect Reactats Here Hetero gencous Coctalyis HCle (d+ acou d- alyo e sane pha, Catalyst ae in and reactants aqucous phan Homo geneows phase