Assertion(A): When methanol is added to water, the boiling point of water increases.
Reason(R): When a volatile solute is added to a volatile solvent, an elevation in boiling point is observed. 

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 and R is false.
4. A and R both are false.

 

Subtopic:  Elevation of Boiling Point |
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

Assertion (A): 0.1 M solution of glucose has the same decrement in the freezing point as 0.1 M solution of urea.
Reason (R): Kf for both has the same value.
 
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 and (R) is False.
4. (A) and (R) both are False.
Subtopic:  Depression of Freezing Point |
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

Assertion(A): The molecular weight of acetic acid determined by depression in the freezing point method in benzene and water was found to be different.
Reason(R): Water is polar and benzene is non-polar.

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 and R is false.
4. A and R both are false.
 
Subtopic:  Van’t Hoff Factor |
 56%
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

advertisementadvertisement

Assertion(A): When an ideal binary solution is in equilibrium with its vapour, molar ratio of the two components in the solution and in the vapour phase may or may not be the same.
Reason(R): Vapour pressure of solution depends upon the vapour pressures of volatile components.

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 and R is false.
4. A and R both are false.
Subtopic:  Raoult's Law |
 54%
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

Assertion(A): Azeotropes have a different composition in liquid and vapour state.
Reason(R): Composition in both, the liquid and in the vapour phase depends upon the volatility of the substance.

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 and R is false.
4. A and R both are false.
Subtopic:  Azeotrope |
 60%
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

Match List I with List II 
List I List II
Types of Solutions Common Examples 
A. Gas in Gas  I. Solution of hydrogen in palladium
B. Solid in Gas II. Mixture of oxygen and nitrogen gas 
C. Gas in Liquid III. Camphor in nitrogen gas
D. Gas in Solid  IV. Oxygen dissolved in water 

Choose the correct answer from the options given below: 
 
Options: A B C D
1. II III IV I
2. II I IV III
3. II IV III I
4. II IV I III
Subtopic:  Introduction & Colligative properties |
 86%
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

advertisementadvertisement

Given below are two statements:
 
Statement I:  The mass of a gas dissolved in a given mass of a solvent at any temperature is proportional to the pressure of the gas above the solvent. 
Statement II:  The rate of dissolution of sugar is equal to the rate of crystallization of sugar at equilibrium. 
 

In light of the above statements, choose the correct answer from the options given below: 
 
1.  Both statement I and statement II are true. 
2.  Both statement I and statement II are false. 
3.  Statement I is true but statement II is false. 
4.  Statement I is false but statement II is false. 
Subtopic:  Concentration Terms & Henry's Law |
 82%
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

Match List I with List II
List I 
Concentration expression
List II 
Uses
 
A. Mass percentage I. Medicine
B. Volume percentage II. Concentration of pollutants
C. Mass by volume percentage III. Industrial chemicals
D. Parts per million IV. Liquid solutions

Choose the correct answer from the options given below:
 
Options: A B C D
1. III IV II I
2. III II IV I
3. III IV I II
4. III I II IV


Subtopic:  Concentration Terms & Henry's Law |
 78%
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

Assertion (A): The people living at high altitudes or climbers have a high concentration of oxygen in the blood and tissues. 
Reason (R): At high altitudes, the partial pressure of oxygen is less than that of the ground level.
 
1. Both A and R are correct and R is the correct explanation of A. 
2. Both A and R are correct but R is not the correct explanation of A. 
3. A is correct but R is not correct. 
4. A is not correct but R is correct.


Subtopic:  Concentration Terms & Henry's Law |
 66%
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

advertisementadvertisement


Match the following physical constants in Column I to their correct units given in Column II : 
Column I Column II
A. Rate constant (k) of a second-order reaction I. m3mol-1
B. Cryoscopic constant (Kf) II. mol-1L s-1
C. Van der Waals constant (b) III. No units
D. Compressibility factor (Z)  IV. kg K mol-1

Choose the correct answer from the options given below : 
 
Options: (A) (B) (C) (D)
1. II IV I III
2. III IV II I
3. II III IV I
4. IV I II III
Subtopic:  Depression of Freezing Point |
 82%
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