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