Lindlar's catalyst is used in hydrogenation of alkyne:
Correct answer: C. To produce cis alkene
- A. To increase activation energy
- B. To enhance hydrogenation of alkene
- C. To produce cis alkene
- D. To start polymerisation reaction
Explanation
Lindlar's catalyst is specifically designed for the partial hydrogenation of alkynes to form cis-alkenes. It does this by providing a controlled environment where hydrogenation occurs without over-reduction to alkanes, ensuring the formation of the cis configuration.
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Hydrocarbons are studied through the structures and reactions of alkanes, alkenes, alkynes and aromatic compounds. Coverage includes free radical substitution in alkanes, electrophilic addition to carbon-carbon multiple bonds, benzene substitution, aromatic stability and the difference between addition reactions of alkenes and substitution reactions of benzene.
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