The vapour density of N2O4 at a certain temperature is 30. What is the percentage dissociation of N2O4 at this temperature?

1. 53.3

2. 106.6

3. 26.7

4. none of these

Subtopic:  Van’t Hoff Factor |
 65%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

What is the correct sequence of active masses in increasing order in gaseous mixture, containing one gram per litre of each of the following?

I. NH3

II. N2

III. H2

IV. O2

Select the correct answer using the codes given below:

1. III, I, IV, II

2. III, IV, II, I

3. II, I, IV, III

4. IV, II, I, III

Subtopic:  Introduction & Colligative properties |
 53%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Heating a saturated sodium chloride solution leads to:

1. Saturation being maintained

2. The solution becomes unsaturated

3. Solution becoming supersaturated

4. The system reaching an equilibrium point

Subtopic:  Introduction & Colligative properties |
 51%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

The graph among the following that represents Henry's Law is -

 

1.   

 

2.

3.

4.  

  

 

Subtopic:  Concentration Terms & Henry's Law |
 54%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

ln liquid CCl4 which of the following has maximum solubility?

(1) l2

(2) Br2

(3) NaCl

(4) Cl2

Subtopic:  Introduction & Colligative properties |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Which of the following represents a metastable system?

1. an unsaturated solution 

2. a dilute solution

3. a saturated solution 

4. a supersaturated solution 

Subtopic:  Introduction & Colligative properties |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

The relative lowering of vapor pressure upon dissolving a non-volatile solute in a solvent is equal to:

1. Mole fraction of the solute 

2. Mole fraction of the solvent 

3. Concentration of the solute in grams per liter 

4. Concentration of the solute in grams per 100 mL

Subtopic:  Relative Lowering of Vapour Pressure |
 81%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Van't Hoff factor is 

(1) More than one in case of association 

(2) Less than one in case of dissociation 

(3) Equal to normal molecular massobserved molecular mass

(4) Equal to observed molecular massnormal molecular mass

Subtopic:  Van’t Hoff Factor |
 62%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which of the following changes would result in greater solubility of a gas in a liquid?

1. Increasing temperature
2. Increasing the amount of liquid
3. Decreasing temperature
4. Reducing gas pressure

Subtopic:  Concentration Terms & Henry's Law |
 72%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Which of the following solution would exhibit abnormal colligative properties?

1. 1 M glucose

2. 0.1 M NaCl

3. 0.1 M sucrose 

4. 10 gram glass powder in water 

Subtopic:  Van’t Hoff Factor |
 68%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch