JEE Questions for Chemistry Solutions Quiz 13 - MCQExams.com

At constant temperature, binary ideal solution is formed by two liquids A and B. At equilibrium, mole-fraction of liquid B is 0.4 and vapour state mole-fraction of B is 0.25. PoB = 40 mm, then at the same temperature, what will be the vapour pressure of pure liquid ‘A’ ?
  • 60 mm
  • 40 mm
  • 50 mm
  • 80 mm
Choose correct alternative for True and False statements for given diagram. (For correct statement T and for wrong statement F) (Assume that ionic solid substances completely dissociates in the solution) (For Correct- Statement T and for Worry Srut ment F)
(i)Osmotic pressure of the system increase by adding H2O in an aqueous solution of CuSO4
(ii)The concentration of solution of glucose increases with the passage of time.
(iii)Osmotic pressure of the system decreases by adding glucose in the solution of glucose
(iv)The concentration of solution of CuSO4 increases with the passage of time.

Chemistry-Solutions-7169.png
  • FTTF
  • TFFT
  • FFTT
  • TTFF
Choose correct alternative for True and False statements for given figure (For correct statement T and for wrong statement F) (Assume that lomic solid substances completely dissociates in the solution)
(i)concentration of an aqueous solution of FeCl3 increases with the pressure of time.
(ii)aqueous solution of FeCl3 gradually turns reddish
(iii)concentration of an aqueous solution of KCNS increases with the passage of time
(iv)aqueous solution of KCNS remains colourless
Chemistry-Solutions-7170.png
  • FTTF
  • TFFT
  • FFTT
  • TTFF
What would be the osmotic pressure of the system at 300 k temperature ? (R=8.314 x 10-2 litre-bar-mole-1 k-(Assume that ionic solid substances completely dissociates in an aqueous solution)
Chemistry-Solutions-7171.png
  • 25 bar
  • 10.0 membrane bar
  • 24.9 bar
  • 19.95 bar
At constant temperature, 2 litres aqueous solution of each 0.2 M kcl and 0.3 M AlCl3 are in contact with each other by semipermeable membrane. When osmosis stops, then, what millilitre water diffuses from semipermeable membrane to the other side ? (Assume that ionic solids dissociates completely in the aqueous solution)
  • 500 ml
  • 600 ml
  • 800 ml
  • 1000 ml
Choose the correct alternative for the given diagram for correct and wrong statements. (T is for false statement) (Assume that ionic solid substances dissociates completely in the aqueous solution)
(i) concentration of solution of NaCl increases with the passage of time
(ii) concentration of solution of urea decreases with the passage of time
(iii) concentration of solution of NaCl decreases with the passage of time
(iv) concentration of solution of urea increases with the passage of time
Chemistry-Solutions-7174.png
  • FTTF
  • TFFT
  • FFTT
  • TTFF
Which of the following solution is hypotonic with fluids in RBC ?(Assume that ionic solid substances completely dissociates in the solution)
  • 0.2 M NaCl
  • 0.1 M NaCl
  • 0.18 M NaCl
  • given all
At constant temperature, Which of the following solution is hypotonic in the comparison with fluids in RBC ? (Assume that ionic solid substances completely dissociates in the solution)
  • 0.17 M NaCl
  • 0.12 M NaCl
  • 0.1 M NaCl
  • given all
X M NaCl is isotonic with fluids present in RBC (Red Blood Corpusceles), then what would be the value of x ? (M.w. Of NaCl =58.5 gm/mole) (Assume that ionic solid substances completely dissociates in the solution)
  • 0.15
  • 0.05
  • 0.18
  • 0.78
Which of the following solution is hypotonic in comparison with the solution of 0.4 M glucose?
  • 0.1 M CaCl2
  • 0.2 M NaCl
  • 0.15 M FeCl3
  • 0.3 M urea
Which of the following solution is hypotonic in comparison with 0.15 M kCl solution ?(Assume that ionic solid substances completely dissociates in the solution)
  • 0.1 M CaCl2
  • 0.08 M FeCl3
  • 0.2 M urea
  • 0.12 BaCl2
Which of the following solution is isotonic with fluid of RBC ? (For NaCl, i=2)
  • 5.6% w/v glucose
  • 2.8% w/v glucose
  • 1.5% w/v urea
  • 0.91% w/v urea
Which of the following solution is isotonic with fluid of RBC ? (For NaCl, 2 = 2)
  • 2.02 % w/v glucose
  • 4.02% w/v glucose
  • 8.0% w/v urea
  • both b and c
In Which of the following solution, RBC get burst ? (Molecular wt, CaCl2 = 111, FeCl3 = 162.5, glucose=180 and urea=60 gm/mole) (Assume that ionic solid completely dissociates in aqueous solution)
  • 1.2% w/v urea
  • 0.2 MkCl
  • 0.09% M FeCl3
  • 6.0% w/v glucose
In Which of the following solution, RBC get shrinks ? (Molecular wt, CaCl2 = 111, FeCl3 = 162.5, glucose=180 and urea=60 gm/mole) (Assume that ionic solid completely dissociates in aqueous solution)
  • 0.1% w/v CaCl2 glucose
  • 2% w/v urea
  • 1.0% w/v FeCl3
  • 5.0% w/v
FeCl3 ionizes 80% in their aqueous solution, then what will be the value of Vant ‘Hoff factor i ?
  • 4
  • 2.7
  • 3.4
  • 3.1
CaCl2 ionices 80% in their aqueons solution of 0.2 m CaCl2, then, molality of solution is -
  • 0.48 m
  • 0.52 m
  • 0.6 m
  • 2.6 m
A substances associates in their solution as dimer (or bimolecule), then what will be the value of Van’t hoff factor i ?
  • 0.2
  • 0.4
  • 0.6
  • given all
A substance associates as trimer in their solution; then, what would be the value of Van’t Hoff factor i ?
  • 0.4
  • 0.3
  • 0.2
  • 0.25
A substance associates as bimolecule in their solution; then what would be the value of Van’t Hoff factor i ?
  • 0.4 d” i < 1
  • 0.5 d” i < 1
  • 0 < i < 1
  • 0.6 d” i < 1
Which of the following ratio is irrelevant formula mass and experimental molecular weight obtained from colligative properties of solution of ionic solid of AB type ?
  • 3 : 2
  • 5 : 3
  • 4 : 3
  • 5 : 2
Which of the following ratio of correct molecular wt (formula weight) and experimental molecular weight obtained from colligative properties of solution of ionic solid of AB type is possible ?
  • 5 : 3
  • 4 : 1
  • 7 : 3
  • 5 : 2
A substance associates as trimer in their solution, then which of the following ratio is irrelevant for real molecular weight and experimental molecular weight obtained from colligative properties of solution ?
  • 2 : 3
  • 2 : 5
  • 1 : 4
  • 1 : 2
substance associates as trimer in their solution, then which of the following alternative is possible for depression in freezing point of m molal solution ?

  • Chemistry-Solutions-7178.png
  • 2)
    Chemistry-Solutions-7179.png

  • Chemistry-Solutions-7180.png

  • Chemistry-Solutions-7181.png
Which of the following unit of concentration is common in the field of pharmacy ?
  • formality
  • molarity
  • molality
  • normality
A substance associates as trimer in their solution, then what would be the maximum freezing point of their m molar solution is positive ?

  • Chemistry-Solutions-7182.png
  • 2)
    Chemistry-Solutions-7183.png

  • Chemistry-Solutions-7184.png

  • Chemistry-Solutions-7185.png
Boiling point of the 0.2 m aqueous solution of a substance is 100.4 oC ; then what would be the freezing point of th solution ? (Kb = 0.513o, K+” = 1.86
  • – 0.372~ C
  • – 0.37~ C
  • – 1.45~ C
  • – 0.5~ C
Aqueous solution of 0.5 m H2So4 is more concentrated then 0.5 m H2So4 solution; then what will be the possible density of that solution ?

  • Chemistry-Solutions-7187.png
  • 2)
    Chemistry-Solutions-7188.png

  • Chemistry-Solutions-7189.png

  • Chemistry-Solutions-7190.png
Which of the following is irrelevant with the boiling point of an aqueous solution of xm AlCl3 ?

  • Chemistry-Solutions-7192.png
  • 2)
    Chemistry-Solutions-7193.png

  • Chemistry-Solutions-7194.png

  • Chemistry-Solutions-7195.png
Which of the following is suitable alternative for density of the solution, when molarity (m) and molality (m) of an aqueous solution of urea is same at fixed temperature ? (molecular wt of urea = 60 gm/mole ?

  • Chemistry-Solutions-7196.png
  • 2)
    Chemistry-Solutions-7197.png

  • Chemistry-Solutions-7198.png

  • Chemistry-Solutions-7199.png
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