Q. No.In the production of TUV₄, the reaction is:
T + U + 4V → TUV₄
Calculate the value of x, if 10 moles of T, 7.5 moles of U, and 0.8 moles of V react to form x grams of TUV₄:
(Given the atomic masses are T = 20 g/mol, U = 40 g/mol, and V = 10 g/mol)
| 1. | 60 g | 2. | 10 g |
| 3. | 40 g | 4. | 20 g |
Subtopic: Moles, Atoms & Electrons | Concentration Based Problem |
80%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
The molarity of NaOH solution by dissolving \(4~\text{g}\) of it in \(250~ml\) water is :
1. 0.4 M
2. 0.8 M
3. 0.2 M
4. 0.1 M
1. 0.4 M
2. 0.8 M
3. 0.2 M
4. 0.1 M
Subtopic: Concentration Based Problem |
95%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
To dilute 10.0 mL of a 12.0 M HCl solution to a 1.00 M concentration, how much distilled water should be added?
1. 50.0 mL
2. 60.0 mL
3. 100 mL
4. 110 mL
1. 50.0 mL
2. 60.0 mL
3. 100 mL
4. 110 mL
Subtopic: Concentration Based Problem |
91%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Subtopic: Concentration Based Problem |
91%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following terms are unitless?
(a) Molality
(b) Molarity
(c) Mole fraction
(d) Mass per cent
Select the correct option:
1. (a), (b)
2. (b), (c)
3. (a), (b), (c)
4. (c), (d)
Subtopic: Concentration Based Problem |
91%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following concentration factor is affected by a change in temperature?
1. Molarity
2. Molality
3. Mole fraction
4. Weight fraction
Subtopic: Concentration Based Problem |
90%
Level 1: 80%+
JEE
Please attempt this question first.
Hints
Please attempt this question first.
Given below are two statements:
| Assertion (A): | Mole fraction is a unitless quantity. |
| Reason (R): | Mole fraction is the ratio of the number of moles of a particular component to the total number of moles of the solution. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Concentration Based Problem |
89%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
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
1. 800
2. 700
3. 400
4. 500
Subtopic: Concentration Based Problem |
89%
Level 1: 80%+
JEE
Please attempt this question first.
Hints
Please attempt this question first.
What is the required mass of KClO₃ (molar mass = 122.5 g/mol) to prepare 200 mL of a 0.150 M solution?
1. \( 2.73~\text{g}\)
2. \(3.68~\text{g}\)
3. \(27.3~\text{g}\)
4. \(164~\text{g}\)
1. \( 2.73~\text{g}\)
2. \(3.68~\text{g}\)
3. \(27.3~\text{g}\)
4. \(164~\text{g}\)
Subtopic: Concentration Based Problem |
88%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
The molarity of a solution containing 5.85 g of NaCl(s) per 500 mL of solution is:
1. 4 mol L–1
2. 20 mol L–1
3. 0.2 mol L–1
4. 2 mol L–1
Subtopic: Concentration Based Problem |
88%
Level 1: 80%+
Hints
© 2026 GoodEd Technologies Pvt. Ltd.