The CBSE Class 12 Chemistry exam for 2025 is scheduled for February 27, 2025, from 10:30 a.m. to 1:30 p.m. The exam will cover physical, inorganic, and organic chemistry, so it’s important for ...

Researchers carried out the cobalt-catalyzed hydroalkylation of alkenes with precise construction of aryl vicinal chiral ... of alkenes with alkyl halides was applicable to a wide range of ...

Corson made additional alkynes in this way, starting with alkyl and aryl alcohols and chlorides ... In a three-reaction sequence in liquid ammonia, an alkyl halide or sulfate reacts with sodium ...