Chemistry of Imidazoles

The name 'Imidazole' coined by-

• Clemmensen

• Woodward Fischer

• Arthur Rudolf Hantzsch

• None of these

Molecular formula of Imidazole-

• C₃N₃H₂

• C₂H₂N₂

• C₃N₂H₄

• C₄NH₅

When Imidazole ring fused with Pyrimidine ring-

• Pyrrole

• benzimidazole

• Purine

• Azepine

Imidazole exists in how many tautomeric forms-

• Four

• Two

• Three

• None of these

Alkyl Nitriles produce Imidazole derivatives in the presence of-

• Dimethyl amine

• 1,2-ethanediamine

• Methyl ethyl amine

• Phenyl ethyl amine

Reagent for Wallach synthesis-

• COCl₂

• Cl₂

• PCl₅

• All of these

Halogenation of Imidazole performed at-

• Rfluxing condition

• Room temperature

• Acidic media

• All of these

Imidazole is sulfonated by using-

• Conc. H₂SO₄

• DMSO

• Both 1 and 2

• HNO₃

Metronidazole contains-

• Imidazole ring

• 2-methyl imidazole ring

• Purine ring

• Pyrimidine ring

Imidazole is an example of -

• 1,2-Azoles

• 1,3-Azoles

• 1,4-Azoles

• 1,5-Azoles