At 100°C the vapour density of nitrogen peroxide (N2O4) is 26.8. The percentage dissociation into NO2 molecules is

1. 71.64%

2. 61.57%

3. 83.56%

4. 67.39%

Subtopic:  Van’t Hoff Factor |
 55%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

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 |
 63%
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NEET 2023 - Target Batch - Aryan Raj Singh
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 |
 54%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

When a saturated solution of sodium chloride is heated, it 

(1) becomes remains saturated 

(2) becomes unsaturated

(3) becomes supersaturated 

(4) achieves equilibrium state 

Subtopic:  Introduction & Colligative properties |
 54%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

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

 

1.   

 

2.

3.

4.  

  

 

Subtopic:  Concentration Terms & Henry's Law |
 55%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

ln liquid CCl4 which of the following has maximum solubility?

(1) l2

(2) Br2

(3) NaCl

(4) Cl2

Subtopic:  Introduction & Colligative properties |
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NEET 2023 - Target Batch - Aryan Raj Singh
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 |
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

When a non-volatile solute is dissolved in a solvent. The relative lowering of vapor pressure is equal to 

(1) Molar fraction of solute 

(2) Molar fraction of solvent 

(3) Concentration of the solute in grams per liter 

(4) Concentration of the solute in gram per 100 mL.

 

Subtopic:  Relative Lowering of Vapour Pressure |
 79%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints
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NEET 2023 - Target Batch - Aryan Raj Singh

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 |
 61%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints
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NEET 2023 - Target Batch - Aryan Raj Singh

The solubility of a gas in a liquid increase with 

(1) Increase of temperature

(2) Amount of liquid taken

(3) Decrease in temperature

(4) Reduction of gas pressure

Subtopic:  Concentration Terms & Henry's Law |
 70%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh