AS-LEVEL CHEMISTRY: Mechanisms Revision: Electrophilic Addition

Question 1

electrophilic addition: alkene to dihalogenoalkane

-reagent
-role of reagent
-condition
-product

Answer 1

-reagent: halogen (eg Br2)

-role of reagent: electrophile

-condition: room temperature

-product: dihalogenoalkane

Question 2

electrophilic addition: alkene to halogenoalkane

-reagent
-role of reagent
-condition
-product

Answer 2

-reagent: hydrogen halide (eg HBr)

-role of reagent: electrophile

-condition: room temperature

-product: halogenoalkane

Question 3

electrophilic addition: alkene to alkyl hydrogensulfate

-reagent
-role of reagent
-condition
-product

Answer 3

-reagent: concentrated H2SO4

-role of reagent: electrophile

-condition: room temperature

-product: alkyl hydrogensulfate