Academic Experts Solutions for Chapter: Solution & Colligative Properties, Exercise 2: KVPY PROBLEMS (PREVIOUS YEARS)

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Academic Experts Chemistry Solutions for Exercise - Academic Experts Solutions for Chapter: Solution & Colligative Properties, Exercise 2: KVPY PROBLEMS (PREVIOUS YEARS)

Attempt the free practice questions on Chapter 3: Solution & Colligative Properties, Exercise 2: KVPY PROBLEMS (PREVIOUS YEARS) with hints and solutions to strengthen your understanding. Practice Book for KVPY Aptitude Test - Stream SX Chemistry solutions are prepared by Experienced Embibe Experts.

Questions from Academic Experts Solutions for Chapter: Solution & Colligative Properties, Exercise 2: KVPY PROBLEMS (PREVIOUS YEARS) with Hints & Solutions

MEDIUM
KVPY Aptitude Test - Stream SX
IMPORTANT

A solution containing 8.0 g of nicotine in 92 g of water freezes 0.925 degrees below the normal freezing point of water. If the molal freezing point depression constant, Kf=1.85°C mol-1, then the molar mass of nicotine is:

EASY
KVPY Aptitude Test - Stream SX
IMPORTANT

At 298 K, the ratio of osmotic pressures of two solutions of a substance with concentrations of 0.01 M and 0.001 M, respectively, is: 

HARD
KVPY Aptitude Test - Stream SX
IMPORTANT

At 300 K the vapour pressure of two pure liquids, A and B are 100 and 500 mmHg, respectively. If in a mixture of A and B, the vapour pressure is 300 mmHg, the mole fractions of A in the liquid and in the vapour phase, respectively, are

EASY
KVPY Aptitude Test - Stream SX
IMPORTANT

The variation of solubility of four different gases (G1,G2 etc.,) in a given solvent with pressure at a constant temperature is shown in the plot.

Question Image

The gas with the highest value of Henry's law constant is

MEDIUM
KVPY Aptitude Test - Stream SX
IMPORTANT

In 108 g of water, 18 g of a non-volatile compound is dissolved. At 100°C the vapour pressure of the solution is 750 mmHg. Assuming that the compound does not undergo association or dissociation, the molar mass of the compound in g mol-1 is

EASY
KVPY Aptitude Test - Stream SX
IMPORTANT

MgOH2 is precipitated when NaOH is added to a solution of Mg2+. If the final concentration of Mg2+ is 10-10 M, the concentration of OH-M in the solution is

[Solubility product for MgOH2=5.6×10-12]

MEDIUM
KVPY Aptitude Test - Stream SX
IMPORTANT

A piece of metal weighing 100 g is heated to 80°C and dropped into 1 kg of cold water in an insulated container at 15°C. If the final temperature of the water in the container is 15.69°C, the specific heat of the metal in J/g°C. is

EASY
KVPY Aptitude Test - Stream SX
IMPORTANT

The plot of total vapour pressure as a function of mole fraction of the components of an ideal solution formed by mixing liquids X and Y is: