What is [H+] in mol/L of a solution that is 0.20 M in CH3COONa and 0.10 M in CH3COOH?

(Ka for CH3COOH = 1.8 x 10-5)       

1. 3.5x10-4           

2. 1.1x10-5

3. 1.8x10-5           

4. 9.0x10-6

Subtopic:  Buffer |
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

The hydrolysis of the salt of a strong acid and a weak base is called:

1. Anionic hydrolysis

2. Cationic hydrolysis

3. Amphoteric hydrolysis

4. None of the above

Subtopic:  Salt Hydrolysis & Titration |
 70%
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

For the reaction, A+B ⇌ 3C at 25° C, a 3 litre vessel contains 1, 2, and 4 mole of A, B and C respectively. If Kc for the reaction is 10, then the reaction will proceed in:

1. forward direction                           

2. backward direction

3. in either direction                           

4. in equilibrium

Subtopic:  Introduction To Equilibrium |
 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

advertisementadvertisement

If K1 and K2 are the respective equilibrium constants for the two reactions,

       XeF6(g) + H2O(g) XeOF4(g) + 2HF(g)

       XeO4(g) + XeF6(g) XeOF4(g) + XeO3F(g)

The equilibrium constant for the reaction,

       XeO4(g) + 2HF(g)   XeO3F2(g) + H2O(g) is:

1. K1K2                                           

2.  K1/K22

3. K2/K1                                         

4. K1/K2

Subtopic:  Ionisation Constant of Acid, Base & Salt |
 84%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The pH of 0.1M soution of the folowing salts increases in the order:

1. NaCl < NH4Cl < NaCN < HCl

2. HCl < NH4Cl < NaCl < NaCN

3. NaCN < NH4Cl < NaCl < HCl

4. HCl < NaCl < NaCN < NH4Cl 

Subtopic:  pH calculation |
 63%
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

Three reactions involving H2PO4- are given below:

(i) H3PO4 + H2H3O+H2PO4-

(ii) H2PO4- + H2HPO42- + H3O+

(iii) H2PO4- + OHH3PO4 +O2-

In which of the above does H2PO4- act as an acid?

1. (i) only                                 

2. (ii) only

3. (i) and (ii)                           

4. (iii) only

Subtopic:  Acids & Bases - Definitions & Classification |
 61%
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 is most soluble in water?

1. MnS (Ksp = 8x10-37)         

2. ZnS (Ksp = 7x10-16)

3. Bi2S3 (Ksp = 1x10-70)       

4. Ag2S (Ksp = 6x10-51)

Subtopic:  Solubility Product |
 75%
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

The compound that does not act as Lewis acid is:

1. AlCl3                                           

2. BF3

3. NH3                                             

4. FeCl3

Subtopic:  Acids & Bases - Definitions & Classification |
 74%
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

For which salt the pH of its solution does not change with dilution?

1. NH4Cl                           

2. CH3COONH4

3. CH3COONa                   

4. None of these

Subtopic:  Kp, Kc & Factors Affecting them |
 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

For a sparingly soluble salt ApBq, the relationship of its solubility product (Ls) with its solubility (s) is:

1. Ls =sp+q.pp.q                          

2.  Ls =sp+q.pq.qp  

3. Ls =spq.pp.q                           

4.  Ls = spq.(pq)p+q

Subtopic:  Solubility Product |
 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