Aromaticity 2

Question 1

What positions are Ortho, Para and Meta on a benzene ring?

Answer 1

Ortho - 2 position
Meta- 3 position
Para- 4 position

Question 2

What is an electrophile?

Answer 2

It is a lover of electrons, it can be substituted with 1H on benzene

Question 3

What reagents are used in a nitration reaction?

Answer 3

Conc Nitric acid and sulphuric acid

Question 4

The nitronium ion (in nitration reaction) is the nitrating species, it is a powerful lewis acid. TRUE OR FALSE?

Answer 4

TRUE

Question 5

What is the purpose of nitric and sulphuric acid being used in a nitration reaction?

Answer 5

To form a stronger electrophile, the nitronium ion

Question 6

What other nitronium salts can be used for the nitration electrophilic substitution reaction of benzene?

Answer 6

BF4-NO2+

Question 7

In halogenation reactions are chlorine and bromine good leaving groups?

Answer 7

NO

Question 8

Which catalyst i used for a halogenation reaction?

Answer 8

Ferric chloride or Ferric bromide

Question 9

In the friedal crafts alkylation what reagents are used amd what product do you get from this reaction?

Answer 9

AlCL3 or ALBr3 and benzene, the end product is always branched