Daily Practice Problems
JEE Chemistry
Equilibrium
daily practice problem

Question 1.

Calculate the pH of a solution obtained by mixing equal volumes of the solution with pH = 3 and pH = 5: [Level: Moderate]

(a)

(b)

(c)

(d)

 

Question 2.

Equal volume of solution with pH = 4 and pH = 10 are mixed. Calculate the pH of the solution [Level: Easy ]

 

Question 3.

The solubility of Mg(OH)2 is 8.1 x 10-2g/L at 2900C. Find out its Ksp at this  temperature  [Level: Easy]

 

Question 4.

The solubility product of AgCl in water is 1.5 x 10-10. Calculate its solubility in 0.01M NaCl aqueous solution. [Level: Hard]

(a) 2.43  x 10-4M

(b) 3.1 x 10-11 M

(c) 9.1 x 10-10 M

(d) 1.5 x 10-8 M

 

Question 5.

Degree of dissociation of 0.1N CH3COOH is (Kacid =1 x 10-5)  [Level: Easy]

(a)

(b)  

(c)

(d)

 

Question 6.

An acid having pH = 6 is diluted 1000times. What will be the pH of the final solution ? – [Level: Easy]

(a)

(b)

(c)

(d)

 

Question 6.

The concentration of hydrogen ion in a sample of soft drink is 3.8 x 10-3. What is the pH?

(a) 2.42

(b) 4

(c) 3.1

(d) 5.1

 

Question 7.

The pH of an aqueous solution of ammonia is 11.5. Find molarity of the solution. Kb (NH4OH) = 1.8 x 10-5 [Level: Moderate]

(a) 0.57M

(b) 3.19 M

(c) 1.030 M

(d) 103 M

 

Question 8.

How much should the H+ concentration of a solution be changed to raise  the pH by unity?

[Level: Easy]

 

Question 9.

Calculate the solubility of A2X3 in pure water. Assuming that neither kind of ion reacts with water . The solubility product of A2X3, Ksp = 1.1 x 10-23

 

Question 10.

The ionization constant of phenol IS 1 X 10-10. What is the concentration of phenate ion in 0.05M solution of phenol? What will be its degree of ionization if the solution is also 0.01 M in sodium phenate [Level: Medium]

(a) 10-2

(b) 10-1

(c) 104

(d) 10-4

 

Question 11.

What is the minimum volume of water required to dissolved 1g of CaSO4at 298K. For calcium sulphate, Ksp = 9.1 × 10-6 [Level: Moderate]

(a) K2

(b) K2

(c) K2

(d) K2

 

Question 12.

What type of salts are Na2HPO3 and NaHS? [Level: Easy]

 

Question 13.

Calculate the pH at equivalence point when a solution of 0.10M acetic acid is titrated with a solution of 0.10M NaOH solution. Ka for acetic acid = 1.9 × 10-5[Level: Medium]

(a) 7.6

(b) 8.71

(c) 3.1

(d) 9 

 

Question 14.

Consider the following solutions of equal concentrations [Level: Moderate]

A= NH4Cl

B = CH3COONa

C =  NH4OH

D = CH3COOH

A buffer solution can be obtained by mixing equal volumes of

(a) C and D

(b) A and B

(c) A and C

(d) C and D

 

Question 15.

A weak acid HX has the dissociation constant 1 × 10-5M. It forms a salt NaX on reaction with alkali. The degree of hydrolysis of 0.1 M solution of NaX is [Level: Easy]

(a) 0.0001%

(b) 0.01%

(c) 0.1%

(d) 0.15%

 

Question 16.

In any chemical reaction, equilibrium is supposed to be establish when [Level: Easy]

(a) Mutual opposite reactions undergo

(b) Velocity of mutual reactions become equal

(c) Concentration of reactants and resulting products are equal

(d) The temperature of mutual opposite reactions become equal

 

Question 17.

For the reaction,

CuSO4.5H2O(s) CuSO4.3H2O(s) + 2H2O(v) Which one is correct representation– [Level: Easy]

(a) Kp = PH2O2

(b) Kc = H2O2

(c) Kp = KcRT2

(d) All of the above

 

Question 18.

100 mL of 0.015 M solution is mixed with 100 mL of 0.005 M HCl. What is the pH of the resultant solution?

 

Question 19.

In a reaction at equilibrium ‘X’ mole of the reactant A decompose to give 1 mole each of C and D . If the fraction of A decomposed at equilibrium is independent of initial concentration of A, then the value of x is :Level: hard]

 

Question 20.

A decimolar solution of ammonium hydroxide is ionised to the extent of 1.3%. If log 1.3. If log1.3 = 0.11, what is the pH of the solution? [Level: Moderate]

(a) 11.11

(b) 7

(c) 8

(d) 1.21

Problem-solving on JEE Chemistry Equilibrium NCERT Chapter 7 after learning a theoretical concept is crucial for several reasons:

  1. Application of Knowledge: Problem-solving allows you to apply the theoretical concepts of the topic JEE Chemistry Equilibrium you have learned to real-life situations. It helps you bridge the gap between abstract knowledge and practical scenarios, making the learning more relevant and meaningful.
  2. Understanding Deeper Concepts: When you encounter problems related to a theoretical concept that you learned in JEE Chemistry Equilibrium NCERT Chapter 7, you are forced to delve deeper into its intricacies. This deeper understanding enhances your comprehension of the subject and strengthens your grasp of the underlying principles.
  3. Critical Thinking: Problem-solving encourages critical thinking and analytical skills. It requires you to analyze the problem, identify relevant information, and devise a logical solution. This process sharpens your mind and improves your ability to approach complex challenges effectively.
  4. Retention and Recall: Actively engaging in problem-solving reinforces your memory and improves long-term retention. Applying the concepts learned in Equilibrium JEE Chemistry in practical scenarios helps you remember them better than passive reading or memorization.
  5. Identifying Knowledge Gaps: When you attempt to solve problems, you may encounter areas where your understanding is lacking. These knowledge gaps become evident during problem-solving, and you can then focus on filling those gaps through further study and practice. You can refer Equilibrium JEE Chemistry Notes on LearnoHub.com
  6. Boosting Confidence: Successfully solving problems after learning a theoretical concept boosts your confidence in your abilities to handle Equilibrium. This confidence motivates you to tackle more challenging tasks and improves your overall performance in the subject.
  7. Preparation for Exams and Challenges: Many exams, especially in science, mathematics, and engineering, involve problem-solving tasks. Regular practice in problem-solving prepares you to face these exams with confidence and perform well. It is also advised to take tests on Equilibrium JEE Chemistry Online Tests at LearnoHub.com.
  8. Enhancing Creativity: Problem-solving often requires thinking outside the box and exploring various approaches. This fosters creativity and innovation, enabling you to come up with novel solutions to different problems.
  9. Life Skills Development: Problem-solving is a valuable life skill that extends beyond academics. It equips you with the ability to tackle various challenges you may encounter in personal and professional life.
  10. Improving Decision Making: Problem-solving involves making decisions based on available information and logical reasoning. Practicing problem-solving enhances your decision-making skills, making you more effective in making informed choices.

In summary, problem-solving after learning a theoretical concept on CBSE Equilibrium JEE Chemistry is an essential part of the learning process. It enhances your understanding, critical thinking abilities, and retention of knowledge. Moreover, it equips you with valuable skills that are applicable in academic, personal, and professional contexts.

You must have heard of the phrase “Practice makes a man perfect”. Well, not just a man, practice indeed enhances perfection of every individual.

Practicing questions plays a pivotal role in achieving excellence in exams. Just as the adage goes, "Practice makes perfect," dedicating time to solve a diverse range of exam-related questions yields manifold benefits. Firstly, practicing questions allows students to familiarize themselves with the exam format and types of problems they might encounter. This familiarity instills confidence, reducing anxiety and improving performance on the actual exam day. Secondly, continuous practice sharpens problem-solving skills and enhances critical thinking, enabling students to approach complex problems with clarity and efficiency. Thirdly, it aids in identifying weak areas, allowing students to focus their efforts on improving specific topics. Moreover, practice aids in memory retention, as active engagement with the material reinforces learning. Regular practice also hones time management skills, ensuring that students can allocate appropriate time to each question during the exam. Overall, practicing questions not only boosts exam performance but also instills a deeper understanding of the subject matter, fostering a holistic and effective learning experience.

All About Daily Practice Problems on JEE Chemistry Equilibrium NCERT Chapter 7

Our Daily Practice Problems (DPPs) offer a diverse range of question types, including Multiple Choice Questions (MCQs) as well as short and long answer types. These questions are categorized into Easy, Moderate, and Difficult levels, allowing students to gradually progress and challenge themselves accordingly. Additionally, comprehensive solutions are provided for each question, available for download in PDF format - Download pdf solutions as well as Download pdf Questions. This approach fosters a holistic learning experience, catering to different learning styles, promoting self-assessment, and improving problem-solving skills. With our well-structured DPPs, students can excel in exams while gaining a deeper understanding of the subject matter. Hope you found the content on JEE Chemistry Equilibrium NCERT Chapter 7 useful.

Last but not least, to get the best hold on JEE Chemistry Equilibrium NCERT Chapter 7, do not forget to check out:

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  • Equilibrium JEE Chemistry DPPs, Download PDF of solutions
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