Quiz | Benzene and Aromaticity

1

The delocalized π system in benzene is formed by a cyclic overlap of:

6 sp2 orbitals

6 sp3 orbitals

6 s orbitals

6 p orbitals

2

Which of the following statements is correct about benzene?

All 6 carbon atoms lie in the same plan

The C-C bond lengths are all the same

It has delocalized electrons

All of the above

3

The cyclohepta-1,3,5-triene is:

Aromatic

Antiaromatic

Nonaromatic

None of the above

4

Which of the following compounds is not a Lewis acid?

BF3

NH3

AlCl3

FeBr3

5

What is the best strategy to do an alkylation of benzene without overalkylation?

Friedel-Crafts Alkylation

Friedel-Crafts Acylation followed by a Reduction

Sulfonation, Friedel-Crafts Alkylation, Desulfonation

Halogenation followed by a SN2

6

What is the first step of the halogenation of benzene?

Electrophilic attack on benzene of the dihalogen compound

H elimination

Activation of the dihalogen compound

Electrophilic attack on benzene of the Lewis acid

Pricing

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