Reactions

Question 1

Alkenes + H2

Answer 1

Nickel catalyst
150°C
Alkanes

Question 2

Alkenes + Halogen

Answer 2

Halogenoalkane

Question 3

Alkenes + Hydrogen Halides

Answer 3

Halogenalkanes

Question 4

Alkenes + steam (hydration)

Answer 4

Phosphoric acid
60 - 70 atm
300°C
Alcohol

Question 5

Oxidation of alkenes

Answer 5

Acidified Potassium Manganate

Diol

Question 6

Combustion of Alkenes

Answer 6

Incomplete

Question 7

Combustion of alcohols

Answer 7

Complete

Question 8

Chlorination (primary) alcohol

Answer 8

PCl5 used
Chloroalkane
POCl3
HCl

Question 9

Chlorination (tertiary) alcohol

Answer 9

HCl used
Shake it
Chloroalkane + Water

Question 10

Bromination of alcohol

Answer 10

KBr used
50% conc H2SO4
Warmed
HBr formed in situe

Question 11

Iodination of alcohols

Answer 11

Red phosphorus
Heat under reflux
PI3 produced in step 1

Question 12

Dehydration of alcohols

Answer 12

conc. H3PO4
Heat
Alkane

Question 13

Hydrolysis of halogenoalkanes

Answer 13

Hot KOH
50/50 mixture of water and ethanol
Heat under reflux
………………………………………………………..
AgNO3, HNO3
Ethanol
Warm in a water bath
………………………………………………………..
Warm
Water

Question 14

Halogenoalkanes with KCN

Answer 14

Ethanol

Heat under reflux

Question 15

Halogenoalkanes with ammonia

Answer 15

Heat in a sealed tube
2 steps:
1. NH3 nucleophile
2. NH3 base

Question 16

Elimination of halogenoalkanes

Answer 16

Hot KOH
Ethanol
Heat under reflux

Question 17

Nitration of benzene

Answer 17

conc HNO3
conc H2SO4
55°C

Question 18

Halogenation of benzene

Answer 18

Halogen carrier
AlCl3, FeBr3, FeCl3
Warm

Question 19

Alkylation of benzene

Answer 19

Alkyl chloride
AlCl3
Anhydrous

Question 20

Acylation benzene

Answer 20

Acyl chloride
AlCl3
Anhydrous

Question 21

Reduction of carbonyl

Answer 21

LiAlH4

Dissolved in dry ether

Question 22

Carbonyl with HCN

Answer 22

HCN -> with alkali catalyst
KCN
H2SO4