Liquid Solution · Chemistry · COMEDK

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MCQ (Single Correct Answer)

COMEDK 2024 Evening Shift
Study the graph between partial pressure and mole fraction of some gases and arrange the gases P, Q, R and S dissolved in H$$_2$$O, in the decreasing ...
COMEDK 2024 Evening Shift
Given that the freezing point of benzene is $$5.48^{\circ} \mathrm{C}$$ and its $$\mathrm{K}_{\mathrm{f}}$$ value is $$5.12{ }^{\circ} \mathrm{C} / \m...
COMEDK 2024 Evening Shift
A solute $$\mathrm{X}$$ is found to exist as a dimer in water. A 4 molal solution of $$\mathrm{X}$$ shows a boiling point of $$101.04^{\circ} \mathrm{...
COMEDK 2024 Evening Shift
$$200 \mathrm{ml}$$ of an aqueous solution contains $$3.6 \mathrm{~g}$$ of Glucose and $$1.2 \mathrm{~g}$$ of Urea maintained at a temperature equal t...
COMEDK 2024 Morning Shift
$$\mathrm{K}_{\mathrm{H}}$$ for $$\mathrm{O}_2$$ at $$293 \mathrm{~K}$$ is $$34.86 \mathrm{~kbar}$$. What should be the partial pressure of $$\mathrm{...
COMEDK 2024 Morning Shift
What is the amount of ice that separates out on cooling a solution containing $$60 \mathrm{~g}$$ of Ethylene glycol in $$250 \mathrm{~g}$$ of water to...
COMEDK 2024 Morning Shift
$$\text { If a compound } \mathrm{X}_3 \mathrm{Y} \text { is } 60 \% \text { ionised in aqueous medium, what is its van't Hoff factor value? }$$...
COMEDK 2024 Morning Shift
Above figure represents Vapour pressure versus Temperature graphs of 2 pure volatile liquids and a solution formed by the 2 liquids. (i) Which curve ...
COMEDK 2024 Morning Shift
The boiling point of a $$4 \%$$ aqueous solution of a non-volatile solute $$\mathrm{P}$$ is equal to the boiling point of $$\mathrm{X} \%$$ solution o...
COMEDK 2023 Morning Shift
Which of the following is incorrect regarding Henry's law?
COMEDK 2023 Morning Shift
Which of the following shows negative deviation from Raoult's law?
COMEDK 2023 Morning Shift
$$5 \mathrm{~g}$$ of non-volatile water soluble compound $$X$$ is dissolved in $$100 \mathrm{~g}$$ of water. The elevation in boiling point is found t...
COMEDK 2023 Morning Shift
Abnormal colligative properties are observed only when the dissolved non-volatile solute in a given dilute solution
COMEDK 2023 Evening Shift
What would be the van't Hoff factor for a solution prepared by dissolving $$3.42 \mathrm{~g}$$ of $$\mathrm{CaCl}_2$$ in $$2500 \mathrm{~ml}$$ of wate...
COMEDK 2023 Evening Shift
What is the mole fraction of solute in a $$5 \mathrm{~m}$$ aqueous solution?
COMEDK 2023 Evening Shift
Choose the incorrect statement:
COMEDK 2023 Evening Shift
$$\mathrm{X}$$ is an electrolyte with a concentration of $$0.04 \mathrm{M}$$ whose formula is of the type $$\mathrm{X}_2 \mathrm{~A}$$. $$\mathrm{Y}$$...
COMEDK 2023 Evening Shift
If the depression in freezing point of an aqueous solution containing a solute, which is neither dissociated nor associated, is $$\mathbf{a} \mathrm{K...
COMEDK 2022
The system that forms maximum boiling azeotropes is
COMEDK 2022
Which of the following does not affect solubility of a gas in liquid?
COMEDK 2022
Which among the following forms minimum boiling azeotropes? (i) Heptane + Octane (ii) Water + Nitric acid (iii) Ethanol + Water (iv) Acetone + Carbon ...
COMEDK 2022
The solution which have lowest freezing point is
COMEDK 2021
Under which of the following condition, the gases does not follow Henry's law?
COMEDK 2021
Which of the following is correct mixture of azeotrope?
COMEDK 2021
Which of the following is correct order of their increasing boiling points?
COMEDK 2020
When KBr is dissolved in water, K$$^+$$ ions are
COMEDK 2020
The volume of 10N and 4N HCl required to make 1 litre of 7N HCl are
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