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NEET levelSingle correct optionDifficulty 1 of 3ck186

Which of the following is an example of homogeneous catalysis?

AFinely divided Fe in the synthesis of $NH X_{3}$ from $N X_{2}$ and $H X_{2}$
BNi in the hydrogenation of vegetable oils
C $NO$ catalysing $2 SO X_{2} + O X_{2} 2 SO X_{3}$ in the lead chamber process
DPt gauze in the oxidation of $NH X_{3}$ to $NO$

Answer: C

In homogeneous catalysis the catalyst is in the same phase as the reactants. In the lead chamber process the gaseous

NO

catalyses a gas-phase reaction, whereas Fe, Ni and Pt are solids acting on gaseous or liquid reactants (heterogeneous).

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