Addition Reaction Of Alkenes Flashcards
1
Q
Hydrogenation
A
Addition of hydrogen
Using heat and nickel catalyst
Alkene to alkane
2
Q
Halogenation
A
Addition of halogens
Alkene to dihaloalkane
3
Q
Hydration
A
Adding water
Steam
Catalyst of phosphoric acid
Ethene + steam = ethanol
4
Q
Addition of hydrogen halides
A
Addition of hydrogen halide
Ethene + hydrogen bromide —> bromoethane
5
Q
Oxidation of diols
A
Oxidising agent - potassium manganate (VII)
6
Q
Test for alkenes
A
Bromine water
Brown to colourless
7
Q
Potassium manganate (VII)
A
Purple to colourless