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Nitro compound - Quiz
Nitro compound
  • 1. What functional group defines a nitro compound?
A) -NO2
B) -ONO2
C) -NO
D) -NH2
  • 2. Which property describes the electronic effect of a nitro group?
A) Non-polar
B) Strongly electron-donating
C) Strongly electron-withdrawing
D) Weakly electron-withdrawing
  • 3. What is the role of a nitro group in explosive compounds?
A) Catalyst
B) Oxidizer
C) Explosophore
D) Reducing agent
  • 4. How does a nitro group affect electrophilic aromatic substitution?
A) It retards the reaction
B) It terminates the reaction
C) It has no effect
D) It facilitates the reaction
  • 5. What is the active intermediate in the nitration of aromatic compounds?
A) Nitronium ion
B) Nitrate ion
C) Nitrosonium ion
D) Nitrite ion
  • 6. What is the most produced nitro compound on a large scale?
A) Picric acid
B) Nitromethane
C) Nitrobenzene
D) Trinitrotoluene
  • 7. Which substance is an example of a naturally occurring nitro compound?
A) Nitromethane
B) Nitrobenzene
C) Picric acid
D) Chloramphenicol
  • 8. Which of these is used in the synthesis of aliphatic nitro compounds via the Meyer synthesis?
A) Potassium nitrate
B) Ammonium nitrite
C) Silver nitrite
D) Sodium nitrate
  • 9. What is 2-Nitrophenol in ticks?
A) A digestive enzyme
B) A reproductive hormone
C) An aggregation pheromone
D) A defensive toxin
  • 10. In what temperature range does the gas-phase nitration of propane typically occur?
A) 20–50 °C
B) 100–200 °C
C) 600–700 °C
D) 350–450 °C
  • 11. Which reaction involves the decarboxylation of alpha-nitro carboxylic acids?
A) Zinke nitration
B) ter Meer reaction
C) Krapcho decarboxylation variant
D) Meyer synthesis
  • 12. What are alpha-protons to a nitro group known for being?
A) Amphoteric
B) Neutral
C) Acidic
D) Basic
  • 13. Who is the ter Meer reaction named after?
A) Hans Krapcho
B) Edmund ter Meer
C) Gustav Zinke
D) Viktor Meyer
  • 14. Which of these is a defense compound found in termites?
A) Aristolochic acid
B) Nitropentadecene
C) Chloramphenicol
D) 3-Nitropropionic acid
  • 15. How are naturally occurring nitro groups typically formed?
A) Dehydration of nitrites
B) Nitration by atmospheric nitrogen
C) Reduction of nitrates
D) Oxidation of amino groups
  • 16. Which acid is commonly used in combination with nitric acid to synthesize nitroarenes?
A) Hydrochloric acid
B) Phosphoric acid
C) Sulfuric acid
D) Acetic acid
  • 17. What is the Zinke nitration primarily used for?
A) Oxidation of amines
B) Synthesis of nitroalkanes
C) Production of aliphatic nitro dimers
D) Preparation of nitroarenes from phenols
  • 18. What happens when a 1,1-halonitroalkane reacts with potassium hydroxide in the ter Meer process?
A) It produces a 1,2-dinitro dimer
B) It remains unchanged
C) It produces nitromethane
D) It produces a nitroalkene
  • 19. Which of these is an explosophore?
A) Carboxyl group
B) Hydroxyl group
C) Amino group
D) Nitro group
  • 20. Where is 3-Nitropropionic acid found?
A) Ticks
B) Termites
C) Bacteria only
D) Fungi and plants
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