ALKENE REACTIONS Flashcards
1
Q
alkene to dihalogenoalkane
A
- halogen X2
- room temperature
2
Q
alkene to halogenoalkane
A
- hydrogen halide HX
- bubble gas through alkene at room temperature
3
Q
alkene to alcohol
A
- STEAM H2O(g)
- concentrated H3PO4 phosphoric acid
4
Q
alkene to diol
A
- potassium manganate (VII)
- in dilute sulphuric acid
5
Q
alkene to alkane
A
- hydrogen H2
- nickel catalyst, heat
6
Q
what type of reactions are the alkene reactions?
A
electrophilic addition.
7
Q
What happens in electrophilic addition of unsymmetrical alkenes?
A
- 2 products
- most stable is tertiary intermediate carbocation.
- most stable product has highest yield, therefore it is the major product.
