Chemical Reactions

Question 1

Reagent: Halogen acid
(HCl/Br)
Reagent: Hbr+Peroxide
Pdt?

Answer 1

Markonikov Rule
(Addition Reaction of Cl/Br)
—————————————
Anti Markonikov Rule
(Addition reaction of Cl/Br)

Question 2

Ozonolysis
a)Reductive
b) Oxidative
Reagent? Product?

Answer 2

Reagent:
a)O3/Zn
b)O3/H2O or KMNO4
Pdt:
a) Aldehyde/Ketone
b) Carboxylic acid

Question 3

Halogenation
Reagent(2)? Product?

Answer 3

a)Reagent: Br2/CCl4
Pdt: Vicinal dihalide (Anti addition of Br)
———————————-
b)Reagent: Br2/H2O
NO REARRANGEMET POSSIBLE IN BOTH CASES

Question 4

Reactant: N bromo Succinimide (NBS)/ Allylic bromination
Pdt?

Answer 4

Pdt: Br added to allyl position

Question 5

Hydroboration Oxidation(HBO)
Reagent? Pdt?

Answer 5

Reagent: B2H6/THF, H2O2
Pdt: Alkohol
(Anti Markonikov addition of OH)

Question 6

Oxymercuration Demercuration(OMDM)
Reagent? Pdt?

Answer 6

Reagent: Hg(OAc)2/ NaBH4
Pdt: Markonikov addition of OH

Question 7

Dihydroxilation
Reagent(2)? Pdt?

Answer 7

a)Reagent:KMnO4/OH- or OsO4
Pdt: Syn addition of OH
b)Reagent: MCPBA( meta chloro per benzoic acid)
Pdt: Anti addition of OH