Reactions of Alkenes

Question 1

How to turn double bond to single

Answer 1

H2/pt

Question 2

How to add two Br to double bond

Answer 2

Br2

Question 3

Mark rule

Answer 3

Add HBr to cleaved double bond. Adds Br to carbon atom with greater number of hydrogens

Question 4

Anti-Mark Rule

Answer 4

HBr, H2O2 add Br to opposite side of cleaved double bond

Question 5

Oxidative cleavage

Answer 5

Cleaves double bond with KMnO4 (hot adds two =O to cleaved bond and OH to any left over hydrogens, cold adds OH to cleaved bonds)

Question 6

McPBA

Answer 6

Gets rid of double bond makes triangle with O

Question 7

O3, Me2S

Answer 7

Splits double bond into two ==O O==

Question 8

How to add and OH to a alkene?

Answer 8

BH3 and then H2O2, OH

Question 9

:CH2

Answer 9

Takes double bond and makes single bonded triangle

Question 10

Turn double bond to OH

Answer 10

H, H2O