Select Chapter Topics:
Q. No.If 84\(\text{g}\) of \(\text{NaOH}\) (\(\text{aq}\)) is present in a \(3\) molar solution, find volume of solution \((\text{in}~\text{mL})\).
1. 800
2. 700
3. 400
4. 500
Subtopic: Concentration Based Problem |
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.
When \(9.3~\text{gm}\) of aniline is reacted with acetic anhydride, mass of acetanilide obtained is \(\text{m}~\text{gm},\) find out value of \(2\text{m}.\)
1. 27
2. 0
3. 17
4. 10
1. 27
2. 0
3. 17
4. 10
Subtopic: Equation Based Problem |
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.
The quantity that changes with temperature:
1. Mole fraction
2. Mass percentage
3. Molarity
4. Molality
1. Mole fraction
2. Mass percentage
3. Molarity
4. Molality
Subtopic: Concentration Based Problem |
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.
Find out molality of \(0.8~\text{M H}_2\text{SO}_4\) solution having density of solution equal to 1.02 gm/ml (Nearest integer)
1. 0
2. 1
3. 6
4. 8
1. 0
2. 1
3. 6
4. 8
Subtopic: Concentration Based Problem |
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.
50 ml of 0.5 M oxalic acid is completely Neutralised by 25 ml of NaOH solution. Calculate the amount of NaOH (in gm) present in 25 ml of given NaOH solution.
1. 5
2. 2
3. 6
4. 9
1. 5
2. 2
3. 6
4. 9
Subtopic: Concentration Based Problem |
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.
250 mL solution of \(\text{CH}_3\text{COONa}\) of molarity 0.35 M is prepared. What is the mass of \(\text{CH}_3\text{COONa}\) required in grams? (Nearest integer)
1. 9
2. 7
3. 8
4. 10
1. 9
2. 7
3. 8
4. 10
Subtopic: Concentration Based Problem |
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.
The number of atoms in a silver plate having area \( 0.05~\text{cm}^2\) and thickness 0.05 cm is \(x \times 10^{19}\) .The value of\(x \) is :
(Density of silver is \(7.9~\text{g/cm}^3\))
1. 88
2. 90
3. 11
4. 14
(Density of silver is \(7.9~\text{g/cm}^3\))
1. 88
2. 90
3. 11
4. 14
Subtopic: Concentration Based Problem |
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.
Calculate the molality of 500 mL solution of \(\mathrm{CuSO}_4\) having density of \(1.25 \mathrm{~g} \mathrm{~mL}^{-1}\) and having molarity \(2 \times 10^{-1} \mathrm{M}\) at\(32^{\circ} \mathrm{C} \text {. }\) What is the value of \(x\) if the molality calculated is \(x \times 10^{-2}\) molal?
1. 16
2. 19
3. 25
4. 50
1. 16
2. 19
3. 25
4. 50
Subtopic: Concentration Based Problem |
JEE
Please attempt this question first.
Hints
Find out moles of precipitate product formed when \(72\) moles of \(\text{PbCl}_2\) reacts with \(50\) moles of \((\text{NH}_4)_2\text{SO}_4\).
1. 69
2. 50
3. 90
4. 89
1. 69
2. 50
3. 90
4. 89
Subtopic: Concentration Based Problem |
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.
C is added to solution of A and B, find mole fraction of C.
1. \(\frac{n_C}{n_A+n_B+n_C}\)
2. \(\frac{n_C}{n_A \cdot n_B+n_C}\)
3. \(\frac{n_C}{n_A \cdot n_C+n_B}\)
4. \(\frac{n_C}{n_A+n_B}\)
1. \(\frac{n_C}{n_A+n_B+n_C}\)
2. \(\frac{n_C}{n_A \cdot n_B+n_C}\)
3. \(\frac{n_C}{n_A \cdot n_C+n_B}\)
4. \(\frac{n_C}{n_A+n_B}\)
Subtopic: Concentration Based Problem |
100%
JEE
Please attempt this question first.
Hints
Select Chapter Topics:
© 2025 GoodEd Technologies Pvt. Ltd.