reaction pathways

Question 1

alkene to alcohol

Answer 1

H3PO4(s), H2O(g), heat
or dilute H2SO4, H2O

Question 2

alkene to alkane

Answer 2

Ni/Pt/Pd, H2

Question 3

alkene to haloalkane

Answer 3

Reagent: HBr/HCl/HF/HI (forms secondary haloalkane)

Question 4

alkane to haloalkane

Answer 4

Reactant Br2/CL2/F2/I2, UV
product: HBr/HCl/HF/HI

Question 5

haloalkane to alcohol

Answer 5

NaOH/KOH
Product: NaBr/KBr (for bromoalkane)

Question 6

haloalkane to amine

Answer 6

NH3/ heat
Product: HBr/HCl/HI/HF

Question 7

primary alcohol to aldehyde

Answer 7

Cr2O7 2-/MnO4-,H+

Question 8

aldehyde to carboxylic acid

Answer 8

Cr2O7 2-/MnO4-, H+, heat

Question 9

secondary alcohol to ketone

Answer 9

Cr2O7 2-/MnO4-, H+

Question 10

condensation esterification

Answer 10

conc. H2SO4
product: H2O

Question 11

alkene to polyalkane

Answer 11

heat, pressure

Question 12

condensation polymerisation

Answer 12

product: H2O
functional group specific catalysts

Question 13

haloalkane to nitrile

Answer 13

CN-, heat

Question 14

nitrile to amine

Answer 14

H2, heat, Ni/Pd/Pt

Question 15

carboxylic acid + amine to amide

Answer 15

heat

Question 16

haloalkane to dihaloalkane

Answer 16

UV, Br2/Cl2/F2/I2
Product: HBr,HCl,HF,HI

Question 17

alkene to dihaloalkane

Answer 17

F2/Cl2/Br2/I2

Question 18

haloalkane to alkene

Answer 18

NaOH/KOH, heat, in ethanol solution
Products: H2O, NaBr/KBr (for bromoalkane)

Question 19

alcohol to alkane

Answer 19

conc. H2SO4, heat
product: water