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Per NCERT §9.2.2(1), hydrogenation of an alkene to an alkane uses dihydrogen with which kind of catalyst?
ASodium in liquid NH₃
BAnhydrous AlCl₃
CFinely divided Pt/Pd/Ni
DLindlar's catalyst
Answer & Solution
Correct answer: C. Finely divided Pt/Pd/Ni
NCERT §9.2.2: Pt/Pd catalyse at room T; Ni needs higher T+P. Lindlar (partial poisoning) gives cis-alkene from alkyne.
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