Structure of Pyridine MCQ

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• What is the greatest angle in pyridine ring?
  ক

  116°

  খ

  140°

  গ

  124°

  ঘ

  118°
• Which of the following is the correct range for the bond length in the pyridine molecule?
  ক

  1.34 – 1.40 A°

  খ

  1.24 – 1.32 A°

  গ

  2.4 – 2.49 A°

  ঘ

  1.02 – 1.17 A°
• What is the dipole moment of the pyridine?
  ক

  Zero

  খ

  2.2 D

  গ

  1.17 D

  ঘ

  4.3 D
• What is the smallest angle in pyridine ring?
  ক

  116.7°

  খ

  115.0°

  গ

  124.0°

  ঘ

  118.1°
• Pyridine come under which category of heterocycle classification on the basis of chemical behavior?
  ক

  -excessive heterocycle

  খ

  -deficient heterocycle

  গ

  -equivalent heterocycle

  ঘ

  can’t say about the five membered rings
• How many number of resonating structure stabilises a pyridine molecule?
  ক

  4

  খ

  5

  গ

  6

  ঘ

  7
• Pyridine is a not a planner compound?
  ক

  True

  খ

  False
• The electron of Nitrogen participating in the resonance in pyridine is present in which orbital?
  ক

  p-orbital

  খ

  sp2-orbital

  গ

  sp3-orbital

  ঘ

  sp -orbital
• Which element is present as hetero atom in pyridine?
  ক

  Sulphur

  খ

  Nitrogen

  গ

  Oxygen

  ঘ

  Sulphur and nitrogen
• Pyridine is a which type of heterocyclic compound from the following options?
  ক

  Six membered heterocyclic compound

  খ

  Seven membered heterocyclic compound

  গ

  Four membered heterocyclic compound

  ঘ

  Five membered heterocyclic compound