AS Organic reagents + conditions

Question 1

Free radical substitution (alkane to halogenoalkane)

Answer 1

R: Cl2
C: Uv light

Question 2

Nucleophilic substitution (halogenoalkane to alcohol - using hydroxide ion )

Answer 2

R: NaOH or KOH
C: warm aqueous reflux

Question 3

Nucleophilic substitution (halogenoalkane to nitrile - using cyanide ion)

Answer 3

R: KCN
C: ethanolic (boil under reflux)

Question 4

Nucleophilic substitution (halogenoalkane to amine - using ammonia)

Answer 4

R: NH3
C: ethanolic (heat under refulx)

Question 5

Hydration (alkene to alcohol)

Answer 5

R: steam + H3PO4 catalyst
C: 300°C, 60 atm

Question 6

Acid catalysed elimination (alcohol to alkene)

Answer 6

R: Conc H2SO4 catalyst
C: heat

Question 7

Electrophilic addition (alkene to dibromoalkane)

Answer 7

R: Br2
C: room temp, organic/water solvent

Question 8

Electrophilic addition (alkene to bromoalkane)

Answer 8

R: HBr
C: bubble through at room temp

Question 9

Electrophilic addition (alkene using sulfuric acid)

Answer 9

R: H2SO4
C: Cold Conc H2SO4 catalyst

Question 10

Elimination (halogenoalkane to alkene)

Answer 10

R: KOH in ethanol
C: heat