Organic Routes

Question 1

Alkene to polyalkene

Answer 1

High pressure catalyst

Question 2

Alkene to dihaloalkene
(Mechanism and reagents + condition)

Answer 2

Br2 / Cl2 at room temp

Electrophilic Addition

Question 3

Dihaloalakane to diol
Mechanism and RC

Answer 3

KOH aqueous
Heat under reflux
Nucleophilic substitution

Question 4

Alkene to alcohol
(2 steps each)
Step 1 reagent and mechanism
Step 2 reaction and reagent

Answer 4

Step 1 is h2so4 (Electrophilic addition )

Step 2 is hydration with warm H2O

Question 5

Alkene to haloalkane

Reagent and condition
Mechanism

Answer 5

HBr or HCl at room temp
Electrophilic Addiiton

Question 6

Alkane to haloalkane
Reagent and condition

Answer 6

Cl2 or Br2
UV light

Question 7

Alcohol to Alkene
Reagent + condition
Mechanism

Answer 7

Conc h2so4
Elimination / dehydration

Question 8

Haloalkene to Alkene
Reagent + condition
Condition
Mechanism

Answer 8

KOH alcoholic
Heat under reflux
Elimination

Question 9

Haloalkane to alcohol
Reagent + condition
Condition
Mechanism

Answer 9

KOH aqueous
Heat under reflux
Nucleophilic sub

Question 10

Alcohol to aldehydes and ketones
What is the difference in condition

Answer 10

Oxidation
Acidified potassium dichromate solution

Aldehyde is heat and distill

Question 11

Aldehyde or Ketone to alcohol

Reagent and mechanism

Answer 11

Nucleophilic Addition
NaBH4

Question 12

Aldehyde or Keton to hydroxynitrile

Mechanism and reagents (2)

Answer 12

KCN + h2so4
Nucleophilic Addition

Question 13

Aldehyde to carboxylic acid
Reagent and condition

Answer 13

Excess oxidising agent

Heat under reflux

Question 14

Alcohol to ester

(Name of reaction)
2 reagents

Answer 14

Carboxylic acid + h2so4

Esterification reaction

Question 15

Carboxylic acid to ester

Reagents (2)
Reaction

Answer 15

Alcohol + H2so4

Esterification - heat

Question 16

Acyl chloride to ester
Condition and reagent
Mechanism

Answer 16

Alcohol room temp
Nucleophilic addition elimination

Question 17

Acyl chloride to carboxylic acid
Reagent
Mechanism

Answer 17

Water
Nucleophilic addition elimination

Question 18

Acyl chloride to primary amide
Reagent
Mechanism

Answer 18

NH3
Nucleophilic addition elimination

Question 19

Acyl chloride to secondary amide
Reagent
Condition

Answer 19

Primary amine
Nucleophilic addition elimination

Question 20

Primary amine to secondary tertiary etc amines

Reagent
Mechanism

Answer 20

Haloalkane
Nucleophilic sub

Question 21

Primary amine to secondary amide

Reagent
Mechanism

Answer 21

Acyl chloride
Nucleophilic addition elimination

Question 22

Nitrile to primary amine

Reaction
Condition

Answer 22

Reduction
LiALH4 in ether

Question 23

Haloalkane to nitrile

Reagent and its conditionS
Condition
Mechanism

Answer 23

KCN ethanolic aqueous
Heat under reflux
Nucleophilic sub

Question 24

Haloalkane to primary amine

Condition
Mechanism
Reagent

Answer 24

Alcoholic ammonia
Nucleophilic sub
Heat under pressure

Question 25

Benzene to phenylketone Reaction Condition

Answer 25

Friedel crafts acylation AlCl3 Catalyst Acyl chloride

Question 26

Benzene to nitrobenzene Reaction Reagents (2) Condition

Answer 26

Concentrated h2so4 Concentrated hno3 Below 55 degrees c Nitration

Question 27

Nitrobenzene to aromatic amine Reaction Reagents (3)

Answer 27

Reduction Sn and conc HCl and naoh

Question 28

Aromatic amine to n sub amide Reagent Mechanism

Answer 28

Acyl chloride Nucleophilic addition elimination