Aromatics

How many delocalised electron are there for each benzene molecules?

• 2

• 3

• 6

• 12

Name the compound

• aniline

• nitrobenzene

• aminobenzene

• ammonia benzene

For benzene; Which of the statements is/are correct?

• It is an aromatic compound.

• Its empirical formula is CH.

• It contains 3 π and 12 σ bonds.

• all correct

Identify phenol from the structures below.

• 
• 
• 
• 

The wrong name for the given molecule would be:

• 4-ethylbromobenzene

• 1-bromo-4ethylbenzene

• p-bromoethylbenzene

• p-ethylbromobenzene

• all correct

Benzene can only undergoes reaction of ______________

• addition

• elimination

• substitution

• rearrangement

Which of the following reagents-catalyst combination would be typically used in halogenation of benzene?

• Cl2 and FeCl3

• Br2 and FeCl3

• Cl2 and AlCl3

• Br2 and AlCl3

What catalyst should be used to add ClCH2CH3 to benzene?

• FeCl3

• AlCl3

• K2Cr2O7 and water

• HCl

Which of the following are not ortho-para directors?

• -NH2

• -CH3

• -C(O)OH

• -OH

A halide substituent is:

• A meta directing activator.

• An ortho-para directing activator.

• A meta directing deactivator.

• An ortho-para directing deactivator.