alleryStart learning →Which metal catalyses the hydrogenation of polyunsaturated fats and oils into saturated ones?
APlatinum
BRhodium
CTungsten
DNickel
Answer & Solution
Correct answer: D. Nickel
1. Hydrogenation adds hydrogen across carbon to carbon double bonds on a solid metal surface.
2. The metal used for hydrogenating polyunsaturated fats and oils is nickel.
3. Platinum with rhodium coats three way catalytic converters, a different application altogether.
_Source: OpenStax Chemistry (CC BY 4.0), Ch 12 "Kinetics", section 12.7 Catalysis_
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