CHEM: 2.1.2 Benzene - Preparation & Properties

1. Preparation of Benzene from Alkynes

2. Preparation of Benzene from Aromatic Acids

3. Preparation of Benzene from Phenol

4. Preparation of Benzene from Sulphonic Acids

4 Ways to Prepare Benzene

Preparation of Benzene from Alkynes

Identify the reaction to prepare benzene.

3 moles acetylene (CH≡CH)

What alkyne name and amount is able to prepare benzene?

Preparation of Benzene from Aromatic Acids

Identify the reaction to prepare benzene.

Decarboxylation Reaction

What is the Preparation of Benzene from Aromatic Acids reaction also termed?

Sodium Benzoate (C6H5COONa) & Soda Lime (NaOH & CaO)

What are the reactants in Preparation of Benzene from Aromatic Acids?

Preparation of Benzene from Phenol

Identify the reaction to prepare benzene.

Zinc (Zn), heat

Aside from phenol, what are the reactant(s) in Preparation of Benzene from Phenol?

Preparation of Benzene from Sulphonic Acids

Identify the reaction to prepare benzene.

Hydrolysis

What can Preparation of Benzene from Sulphonic Acids also be termed?

1. Halogenation

2. Sulfonation

3. Nitration

4. Friedel Craft Alkylation

5. Friedel Craft Acylation

5 Properties of Benzene

Halogenation (Addition)

Identify the name of the following property of Benzene.

Chlorine Gas (Cl2), UV (Catalyst)

Aside from Benzene, what are the reactants in Halogenation (Addition)?

1,2,3,4,5,6-hexachlorocyclohexane

What is the product formed from the following reaction?

Halogenation (Substitution)

Identify the name of the following reaction.

Chlorine Gas (Cl2), Aluminum Chloride (AlCl3) or Ferric Chloride (FeCl3) (Catalysts)

Aside from Benzene, what are the reactants in Halogenation (Substitution)?

Sulfonation

Identify the name of the reaction.

Benzenesulfonic Acid (C6H5SO3H)

What is the product formed from the following reaction?

Nitration

Identify the name of the reaction.

Nitrobenzene (C6H5NO2)

What is the product formed from the following reaction?

Friedel Craft Alkylation

Identify the name of the following reaction.

Ethylbenzene (C6H5(CH2CH3))

What is the product formed from the following reaction?

Alkyl Halide, FeCl3 or AlCl3 (Catalyst)

What are the reactants of Friedel Craft Alkylation?

Friedel Craft Acylation

Identify the name of the following reaction.

Acetophenone (C6H5(COCH3))

What is the product formed from the following reaction?

Acid Halide, H+ & Heat (Catalysts)

What are the reactants of Friedel Craft Acylation?