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Chemistry of Imidazoles

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

The name 'Imidazole' coined by-

a)

Clemmensen

b)

Woodward Fischer

c)

Arthur Rudolf Hantzsch

d)

None of these

2.

Molecular formula of Imidazole-

a)

C3N3H2

b)

C2H2N2

c)

C3N2H4

d)

C4NH5

3.

When Imidazole ring fused with Pyrimidine ring-

a)

Pyrrole

b)

benzimidazole

c)

Purine

d)

Azepine

4.

Imidazole exists in how many tautomeric forms-

a)

Four

b)

Two

c)

Three

d)

None of these

5.

Alkyl Nitriles produce Imidazole derivatives in the presence of-

a)

Dimethyl amine

b)

1,2-ethanediamine

c)

Methyl ethyl amine

d)

Phenyl ethyl amine

6.

Reagent for Wallach synthesis-

a)

COCl2

b)

Cl2

c)

PCl5

d)

All of these

7.

Halogenation of Imidazole performed at-

a)

Rfluxing condition

b)

Room temperature

c)

Acidic media

d)

All of these

8.

Imidazole is sulfonated by using-

a)

Conc. H2SO4

b)

DMSO

c)

Both 1 and 2

d)

HNO3

9.

Metronidazole contains-

a)

Imidazole ring

b)

2-methyl imidazole ring

c)

Purine ring

d)

Pyrimidine ring

10.

Imidazole is an example of -

a)

1,2-Azoles

b)

1,3-Azoles

c)

1,4-Azoles

d)

1,5-Azoles