Addition Reactions of Alkenes

Question 1

Stereospecificity of Catalytic Hydrogenation

Answer 1

Syn

Question 2

Is Halohydrin Formation Markovnikov or anti? Which element?

Answer 2

Markovnikov (OH)

Question 3

What elements are added in an Oxymercuration Demercuration reaction?

Answer 3

H-OH (In the form of Hg(AoC)2 H2O

Question 4

What can form as a product of Catalytic Hydrogenation if the result is symmetrical?

Answer 4

Meso compound

Question 5

Stereospecificity of Halohydrin Formation

Answer 5

Anti

Question 6

Stereospecificity of Oxymercuration Demercuration reaction

Answer 6

Anti

Question 7

What elements are added in a Dihydroxylation reaction?

Answer 7

OH-OH

Question 8

What elements are added in an Acid-Catalyzed Hydration reaction?

Answer 8

H-OH with strong acid as the catalyst ([H2SO4])

Question 9

What elements are added in a Hydroboration-Oxidation reaction?

Answer 9

H-OH (In the form BH3 THF/ H2O NaOH)

Question 10

Stereospecificity of Dihydroxylation reactions

Answer 10

Either Syn or Anti, depending on the reagent

Question 11

Will Hydrohalogenation reactions rearrange?

Answer 11

Yes

Question 12

Is a Hydroboration-Oxidation reaction Markovnikov or anti? For which element?

Answer 12

Anti-Markovnikov (OH)

Question 13

Will a Hydroboration-Oxidation reaction rearrange?

Answer 13

No

Question 14

Are Acid-Catalyzed Hydration reactions Markovnikov or anti? For which element?

Answer 14

Markovnikov (OH)

Question 15

What atoms are added in Catalytic Hydrogenation?

Answer 15

H-H in the presence of metal catalyst (Pd, Pt, Ni)

Question 16

Is an Oxymercuration Demercuration reaction Markovnikov or anti, and for which element?

Answer 16

Markovnikov (OH)

Question 17

Which reagent(s) make Dyhidroxyation reactions anti?

Answer 17

-RCOO3H
-MCPDA

Question 18

Will Acid-Catalyzed Hydration reactions rearrange?

Answer 18

Yes

Question 19

Which reagent(s) make Dihydroxylation reactions syn?

Answer 19

-OsO4

Question 20

Stereospecificity of Hydroboration-Oxidation reactions

Answer 20

Syn

Question 21

Do Oxymercuration Demercuration reactions rearrange?

Answer 21

No

Question 22

Will a Halohydrin Formation rearrange?

Answer 22

No

Question 23

Stereospecificity of Halogenation

Answer 23

Anti

Question 24

Stereospecificity of Hydrohalogenation reactions

Answer 24

Either syn or anti

Question 25

Stereospecificity of Acid-Catalyzed Hydration reactions

Answer 25

Either syn or anti

Question 26

If there are multiple alkenes (not including functional groups) in a structure, how many get hydrogenated in Catalytic Hydrogenation?

Answer 26

All of them

Question 27

Are Hydrohalogenation reactions Markovnikov or anti? For which element?

Answer 27

Markovnikov (X) Can be Anti-Markovnikov with the addition of peroxides (ROOR)

Question 28

What elements are added in a Halohydrin Formation?

Answer 28

X-OH

Question 29

What elements are added in a Halogenation reaction?

Answer 29

x2 (Two Halogens)

Question 30

What elements are added in a Hydrohalogenation reaction?

Answer 30

H-X (HBr, HCl, HI)