1. What type of ring system is found in the compound pyridine?
a) Aromatic
b) Aliphatic
c) Heterocyclic
d) Cyclic
2. Which of the following compounds contains a nitrogen atom in its ring structure?
a) Cyclohexene
b) Cyclohexane
c) Pyridine
d) Benzene
3. What is the name of the compound with the chemical formula C6H7N?
a) Phenol
b) Aniline
c) Pyridine
d) Benzene
4. What type of heterocyclic compound contains a nitrogen atom and a sulfur atom in its ring structure?
a) Pyridine
b) Aniline
c) Thiophene
d) Phenol
5. What type of heterocyclic compound is found in the compound quinoline?
a) Pyridine
b) Aniline
c) Imidazole
d) Indole
6. Which of the following compounds contains a nitrogen atom in its ring structure and is a base?
a) Cyclohexene
b) Cyclohexane
c) Pyridine
d) Pyrrole
7. What type of heterocyclic compound is found in the compound purine?
a) Pyridine
b) Aniline
c) Pyrimidine
d) Pteridine
8. Which of the following compounds contains a nitrogen atom in its ring structure and is a building block of DNA?
a) Adenine
b) Thymine
c) Cytosine
d) Guanine
9. What type of heterocyclic compound is found in the compound caffeine?
a) Xanthine
b) Theobromine
c) Adenosine
d) Purine
10. Which of the following compounds contains a nitrogen atom in its ring structure and is a common component of flavoring agents?
a) Pyridine
b) Aniline
c) Pyrrole
d) Pyridine N-oxide
Answers:
- c
- c
- b
- c
- d
- d
- c
- d
- a
- d