NEET 2017 | Solutions Question 15 | Chemistry

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NEET 2017

MCQ (Single Correct Answer)

-1

If molality of the dilute solution is doubled, the value of molal depression constant (K_f) will be

halved

tripled

unchanged

doubled.

NEET 2016 Phase 2

MCQ (Single Correct Answer)

-1

The van't Hoff factor (i) for a dilute aqueous solution of the strong electrolyte barium hydroxide is

NEET 2016 Phase 2

MCQ (Single Correct Answer)

-1

Which one of the following is incorrect for ideal solution?

$$\Delta {H_{mix}} = 0$$

$$\Delta {U_{mix}} = 0$$

$$\Delta P = {P_{obs}} - P$$_{calculated by Raoult's law}

$$\Delta {G_{mix}} = 0$$

NEET 2016 Phase 1

MCQ (Single Correct Answer)

-1

Which of the following statements about the composition of the vapour over an ideal 1 : 1 molar mixture of benzene and toluene is correct? Assume that the temperature is constant at 25^oC. (Given, vapour pressure data at 25^oC, benzene = 12.8 kPa, toluene = 3.85 kPa)

The vapour eill contain equal amounts of benzene and toluene.

Not enough information is given to make a prediction.

The vapour will contain a higher percentage of benzene.

The vapour will contain a higher percentage of toluene

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NEET Subjects

Biology

Botany

Zoology

Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution