Reagents and conditions

Question 1

Benzene to halogeno benzene

Answer 1

Halogen carrier catalyst FeX3

Question 2

Benzene to nitrobenzene

Answer 2

50 degrees
HNO3
H2SO4

Question 3

Nitrobenzene to Aminobenzene

Answer 3

Sn (Tin)

Reagant conc HCL

Question 4

Aminobenzene to Benzenediazonium

Answer 4

NaNO2 and HCL

Less than 10’C

Question 5

Forming an Azo dye

Answer 5

Phenol and the benzenediazonium ion

NaOH

Question 6

Phenol to 2,4,6-Tribromophenol

Answer 6

3 Br2

Question 7

Test for halogenoalkane

Answer 7

Add NaOH
Then add AgNO3
Cl white, Br Cream, I Yellow

Question 8

C-Cl to C-NH2

Answer 8

React with NH3
In ethanol
Reflux (sealed)

Question 9

Hydrolysis of esters

Answer 9

Heat under reflux
HCl
H2O

Question 10

Identifying if a substance is an ester

Answer 10

Fruity smell

Question 11

Test for carboxylic acids

Answer 11

Add Na2CO3

Effervesence, CO2 produced

Question 12

Test for Aldehyde

Answer 12

React with tollens (AgNO2)

Silver mirror

Question 13

Aldehyde to a carboxylic acid

Answer 13

Oxidation
Potassium dichromate
Dilute H2SO4
Heat under reflux
Orange to green

Question 14

Alchohol to aldehyde

Answer 14

Oxidation
dilute H2SO4
Heat under distillation
Orange to green

Question 15

Aldehyde/Ketone to Alchohol

Answer 15

Reduction
NaBH4
Nucleophilic addition

Question 16

Alcohol to ketone

Answer 16

Oxidation
dilute H2SO4
Heat under reflux
Orange to green

Question 17

Cracking

Alkane to alkene

Answer 17

Al2O3 Zeolite catalyst

450’C

Question 18

Hydrogenation

Answer 18

H2
150’C
Ni catalyst

Question 19

Halogenation of carbon compounds and type of reaction

Answer 19

React with Cl2 etc
Under UV light
Homolytic free radical substitution

Question 20

Esterification

Answer 20

Alcohol
Carboxylic acid
H2SO4 catalyst