Solutions  MCQs

MCQs of Solutions

Showing 61 to 70 out of 157 Questions
61.
What is the relation between boiling point elevation (ΔT) for the equimolar solution of Zn(NO3)2 (T1) and Al(NO3)3 (T2) ?
(a) T1 = T2
(b) T2 > T1
(c) T1 > T2
(d) 2T1 = T2
Answer:

Option (b)

62.
Select the increasing value of osmotic pressure of a solution prepared by dissolving 10 gram glucose (A), 10 gram urea (B) and 10 gram sucrose (C) in 250 ml. water.
(a) A > B > C
(b) B > C > A
(c) B > A > C
(d) C > B > A
Answer:

Option (c)

63.
What will be the ratio of colligative property of equimolal solutions of glucose, NaCl and H2SO4 ?
(a) 1 : 2 :3
(b) 1 : 3 : 2
(c) 3 : 2 : 1
(d) 1 : 1 : 1
Answer:

Option (a)

64.
What is the correct order of osmotic pressure of equimolal solutions of KCl, H2SO4 and Glucose ?
(a) KCl > H2SO4 > Glucose
(b) H2SO4 > KCl > Glucose
(c) Glucose > H2SO4 > KCl
(d) KCl > Glucose > H2SO4
Answer:

Option (b)

65.
How much ml. kerosene required to prepare 5 liter 15%V/V kerosene solution in petrol ?
(a) 500
(b) 250
(c) 750
(d) 1000
Answer:

Option (c)

66.
What will be the %W/V when 200 gram urea dissolve in 5 lit. solution ?
(a) 2%
(b) 4%
(c) 8%
(d) 10%
Answer:

Option (b)

67.
Calculate the solubility in mole fraction, for the CO2 at 298 K.(Partial pressure of CO2 = 2 × 10-8)(KH = 6.02 × 10-4 bar)
(a) 3.322 × 10-5
(b) 2.33 × 10-5
(c) 3.2 × 10-3
(d) 3.233 × 10-2
Answer:

Option (b)

68.
Which of the following solution will be isotonic with 0.1 m NaCl solution ?
(a) 0.1 m glucose
(b) 0.1 m ZnCl2
(c) 0.1 m NH4Cl
(d) None of these
Answer:

Option (c)

69.
Which is the correct presentation for degree of association and degree of dissociation ?
(a) X=1-inn-1, α=i-1n-1
(b) X=i-1nn-1, α=1-i1-n
(c) X=1-inn-1, α=i-11-n
(d) X=1-inn-1, α=1-in-1
Answer:

Option (a)

70.
One aqueous solution is freezed at -0.93°C temperature. At which temperature it will boil ?[Kf = 1.86°C kg/mole, Kb = 0.52°C kg/mole]
(a) 0.26°C 
(b) 100°C 
(c) 100.26°C 
(d) +0.93°C 
Answer:

Option (c)

Showing 61 to 70 out of 157 Questions