Podcast
Questions and Answers
What is the key characteristic of the azomethine group in heterocyclic compounds?
What is the key characteristic of the azomethine group in heterocyclic compounds?
- It has two unpaired electrons
- It has no unpaired electrons
- It has three unpaired electrons
- It has one unpaired electron (correct)
Which of the following is the most basic azole?
Which of the following is the most basic azole?
- Imidazole (correct)
- Pyrrole
- Thiazole
- Oxazole
What is the boiling point of oxazole?
What is the boiling point of oxazole?
- 250-255°C
- 100-105°C
- 69-70°C (correct)
- 150-155°C
What is the general structure of azoles?
What is the general structure of azoles?
What is the pKa value of pyrrole?
What is the pKa value of pyrrole?
Which of the following is NOT a characteristic of azoles?
Which of the following is NOT a characteristic of azoles?
What is the numbering pattern of the ring in azoles?
What is the numbering pattern of the ring in azoles?
What is the boiling point of imidazole?
What is the boiling point of imidazole?
Which of the following azoles is soluble in water?
Which of the following azoles is soluble in water?
What is the molecular formula of imidazole?
What is the molecular formula of imidazole?
What is the characteristic of 1,3-azoles compared to 1,2-azoles?
What is the characteristic of 1,3-azoles compared to 1,2-azoles?
What is the result of the condensation of a 1,2-dicarbonyl compound with ammonium acetate and an aldehyde?
What is the result of the condensation of a 1,2-dicarbonyl compound with ammonium acetate and an aldehyde?
What is the characteristic of the tautomeric forms of imidazole?
What is the characteristic of the tautomeric forms of imidazole?
What is the reaction involved in the preparation of imidazole from oxazole?
What is the reaction involved in the preparation of imidazole from oxazole?
What is the characteristic of imidazole in terms of its acidic and basic properties?
What is the characteristic of imidazole in terms of its acidic and basic properties?
Which of the following positions is more susceptible to electrophilic attack in imidazole?
Which of the following positions is more susceptible to electrophilic attack in imidazole?
What is the product of the reaction between imidazole and a nitrating mixture?
What is the product of the reaction between imidazole and a nitrating mixture?
Under what conditions does the iodination of imidazole take place?
Under what conditions does the iodination of imidazole take place?
What is the use of metronidazole?
What is the use of metronidazole?
What is the characteristic of the imidazole ring regarding oxidation?
What is the characteristic of the imidazole ring regarding oxidation?
What is the use of cimetidine?
What is the use of cimetidine?
What is the molecular formula of oxazole?
What is the molecular formula of oxazole?
Which of the following is an aromatic heterocyclic compound?
Which of the following is an aromatic heterocyclic compound?
What is the name of the method commonly used for the synthesis of oxazoles?
What is the name of the method commonly used for the synthesis of oxazoles?
What is the name of the partially reduced form of oxazole, depending on the position of the double bond?
What is the name of the partially reduced form of oxazole, depending on the position of the double bond?
What is the odour of oxazole similar to?
What is the odour of oxazole similar to?
What is the catalyst used in the Robinson-Gabriel synthesis of oxazoles?
What is the catalyst used in the Robinson-Gabriel synthesis of oxazoles?
What is the physical state of oxazole?
What is the physical state of oxazole?
What is the characteristic of oxazole in terms of its basicity?
What is the characteristic of oxazole in terms of its basicity?
What is the fully saturated system of oxazole?
What is the fully saturated system of oxazole?
What is the consequence of oxazole following Huckel's rule?
What is the consequence of oxazole following Huckel's rule?
What is the common method used for the synthesis of oxazoles?
What is the common method used for the synthesis of oxazoles?
What is the position of the oxygen and nitrogen atoms in the oxazole ring?
What is the position of the oxygen and nitrogen atoms in the oxazole ring?
What is the result of the partial reduction of oxazole?
What is the result of the partial reduction of oxazole?
What is the characteristic of oxazole in terms of its basicity?
What is the characteristic of oxazole in terms of its basicity?
What is the molecular formula of oxazole?
What is the molecular formula of oxazole?
What is the physical state of oxazole at room temperature?
What is the physical state of oxazole at room temperature?
What is the boiling point of oxazole?
What is the boiling point of oxazole?
What is the odour of oxazole similar to?
What is the odour of oxazole similar to?
What is the fully saturated system of oxazole?
What is the fully saturated system of oxazole?
