Chemistry · JEE

Solutions MCQs for JEE

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Solutions JEE MCQs on Goodmarks include 140+ multiple-choice questions with correct answers and step-by-step solutions. Attempt free samples below or unlock the full bank with Pro.

Master Solutions through exam-style multiple-choice questions. This page features 140+ JEE MCQs covering Different methods for expressing the concentration of solution: molality, molarity, mole fraction, percentage (by volume and mass both), The vapour pressure of solutions and Raoult's Law - Ideal and non-ideal solutions, vapour pressure composition, plots for ideal and non-ideal solutions, Colligative properties of dilute solutions: a relative lowering of vapour pressure, depression of freezing point, the elevation of boiling point and osmotic pressure, Determination of molecular mass using colligative properties, abnormal value of molar mass, van't Hoff factor and its significance, each with verified answers and clear explanations.

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Q1ChemistryUnit 5: Solutions

Pick out the correct statements This question has multiple correct options

Q2ChemistryUnit 5: Solutions

The vapour prerssure of pure liquids

A

and B are 400 and

600 m m H g

respectively at

298 K .

On mixing the two liquids, the sum of their initial volumes is equal to the volume of the final mixture. The mole fraction of liquids B is 0.5 in the mixture. The vapour pressure of the final solution,the mole fraction of components

A

and

B

in vapour phase, respectively are:

Q3ChemistryUnit 5: Solutions

The observed osmotic pressure for a

0.10 M

solution of

F e\left(N H_{4}\right)_{2}\left(S O_{4}\right)_{2}

25^{\circ} C

is 10.8 atm. The expected and experimental (observed) values of Van't Hoff factor (i) will be respectively:

\left(\boldsymbol{R}=\mathbf{0 . 0 8 2} \quad \boldsymbol{L} \quad \boldsymbol{a t m} \quad \boldsymbol{k}^{-} \boldsymbol{m o l}^{-1}\right)

Q4ChemistryUnit 5: Solutions

The incorrect statement is :

Q5ChemistryUnit 5: Solutions

Which type of phenomenon is used when coloured dye is removed from solution of sugar by charcoal?

Q6ChemistryUnit 5: Solutions

At constant temperature, the osmotic pressure of a solution is: This question has multiple correct options

Q7ChemistryUnit 5: Solutions

Hydrochloric acid solution

A

and

B

have a concentration of

0.5 N

and

0.1 N

respectively. The volume of solutions

\boldsymbol{A}

and

B

required to make 2 litres of

\mathbf{0 . 2} \mathbf{N} \mathbf{H} \mathbf{C l}

are:

Q8ChemistryUnit 5: Solutions

18 g glucose

\left(C_{6} H_{12} O_{6}\right)

is added to

178.2 \mathrm{g}

of water. The vapour pressure of this aqueous solution at

100^{0} C

in torr is:

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JEE Main tests Solutions through conceptual and numerical MCQs. Goodmarks mirrors this format with four-option questions and detailed solutions.

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