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