VK Jaiswal Inorganic Chemistry NEET. We covered all the VK Jaiswal Inorganic Chemistry NEET in this post for free so that you can practice well for the exam.
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VK Jaiswal Inorganic Chemistry NEET Objective for Students
Which is not a colligative property?
(A) Lowering in B.P.
(B) Osmotic pressure
(C) Elevation in B.P.
(D) Freezing point
Option d – Freezing point
The osmotic pressure of a 0.6% (w/v) solution of urea is 300 mm at 298 K. The osmotic pressure of a 0.2 M cane sugar solution at the same temperature is
(A) 150 mm
(B) 600 mm
(C) 30 mm
(D) 300 mm
Option a – 150 mm
The vapour pressure of the sucrose solution decreased by the addition of 68.4 of sucrose in 100 g pure water (V.P. of pure solvent is 23.8 mm Hg)
(A) 22.943 mm
(B) 23.948 mm
(C) 20.943 mm
(D) 21.948 mm
Option a – 22.943 mm
During osmosis, the flow of solvent through the semipermeable membrane is from
(A) Solution of higher concentration only
(B) Both solution and solvent side with equal rate.
(C) Both sides through a membrane with an unequal rate
(D) Solution of lower concentration only.
Option d – Solution of lower concentration only
5.25% of the substance solution is isotonic with 1.5% urea solution in the same solvent. The molar mass of a substance
(A) 90 g
(B) 115 g
(C) 210 g
(D) 105 g
Option c – 210 g
Colligative properties are used for the determination of
(A) Molar mass
(B) Equivalent mass
(C) M. P. and B.P.
(D) Arrangement of molecules
Option a – Molar mass
0.5 g of nonvolatile solute with a molar mass of 65 is dissolved in 500 ml of CCl4. The vapour pressure of the solution is (V.P. of CCl4 is 143 mm at 25°C, d = 1.58 g/cm³)
(A) 141.93 mm
(B) 99.39 mm
(C) 199.34 mm
(D) 143.99 mm
Option a – 141.93 mm
The vapour pressure of water at 20°C is 17.5 mm. If 18 g of glucose dissolved in 178.2 g of water. The vapour pressure of the solution becomes
(A) 16.500 mm
(B) 15.750 mm
(C) 16.675 mm
(D) 17.325 mm
Option d – 17.325 mm
A mixture of ethyl alcohol and propyl alcohol has a vapour pressure of 290 mm at 27°C. The V.P. of propyl alcohol is 200 mm. If the mole fraction of ethyl alcohol is 0.60. Its vapour pressure at the same temperature is
(A) 350 mm
(B) 360 mm
(C) 700 mm
(D) 300 mm
Option a – 350 mm
The maximum vapour pressure at 27°C is for
(A) 1 M sugar
(B) 1 M acetic acid
(C) 1 M CaCl₂
(D) 1 M NaCl
Option a – 1 M sugar
Addition of a non-volatile solute in the solvent, the vapour pressure of the solvent decreases from 50 mm to 45 mm at 303 K. The mole fraction of solute is
(A) 0.010
(B) 0.100
(C) 0.005
(D) 0.900
Option b – 0.100
The vapour pressure of pentane and hexane are 440 mm and 120 mm respectively. If their mole ratio is 1 : 4. The mole fraction of pentane in the vapour phase is
(A) 0.549
(B) 0.478
(C) 0.787
(D) 0.200
Option b – 0.478
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