Deviation from Idealities Concept MCQ

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• Ordinary distillation cannot separate Azeotrope.
  ক

  True

  খ

  False
• Consider an insoluble mixture A and B; Find the Total pressure of the system Vapour pressure of A= 50mmHg Vapour pressure of B= 100 mmHg
  ক

  50 mmHg

  খ

  100 mmHg

  গ

  150 mmHg

  ঘ

  200 mmHg
• When the two liquid mixtures are completely insoluble then the total pressure of the mixture is
  ক

  Sum of the vapour pressure

  খ

  Sum of the partial pressure

  গ

  Pressure cannot be determined

  ঘ

  None of the mentioned
• Azeotropic composition can be eliminated by
  ক

  Changing pressure

  খ

  Changing temperature

  গ

  Changing volume

  ঘ

  None of the mentioned
• Negative deviation is due to a total pressure less than the pressure obtained from Hendry’s law.
  ক

  True

  খ

  False
• Express the point A
  ক

  Vapour pressure of the high volatile component

  খ

  Vapour pressure of the low volatile component

  গ

  Pure component B

  ঘ

  None of the mentioned
• Alternative word of Azeotrope is a Differential-boiling point.
  ক

  True

  খ

  False
• Minimum boiling azeotrope has_________
  ক

  Large positive deviation

  খ

  Less positive deviation

  গ

  Large negative deviation

  ঘ

  Less negative deviation
• If the vapour pressure of the two components in a binary mixture is same, then it is a________
  ক

  Isotope

  খ

  Azeotrope

  গ

  Differential boiling point

  ঘ

  None of the mentioned
• Given the total pressure is 2 atm. Also the partial pressure of the two components in an ideal solution is 1 atm and 0.5 atm. It shows __________ deviation.
  ক

  Positive

  খ

  Negative

  গ

  Neutral

  ঘ

  None of the mentioned