Chemistry · JEE

Solutions Previous Year Questions for JEE

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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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PYQs reveal recurring concepts, common traps, and the difficulty level JEE expects. Solving them builds exam temperament and time management.

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Our bank includes exam-style MCQs aligned with JEE Main Chemistry syllabus for Solutions, covering the same topics as previous year papers.

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Solve timed sets, review every explanation, note weak subtopics, then revisit with focused practice on Goodmarks.

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