Ionic Equilibrium is one of the most vital chapters in the Class 11 Chemistry syllabus, serving as a foundation for both Board exams and competitive entrance tests like NEET and JEE. This chapter transitions from chemical kinetics to the behavior of ions in aqueous solutions, covering essential concepts such as acid-base theories, the pH scale, salt hydrolysis, buffer solutions, and the solubility product. Understanding these principles is crucial for mastering analytical chemistry and biological systems where pH balance is fundamental.
For the 2024-25 CBSE session, there is a strong emphasis on conceptual clarity and numerical problem-solving. This practice quiz is meticulously designed to align with the NCERT curriculum, moving from basic definitions to complex calculations involving the common ion effect and values. By working through these 30 questions, students will reinforce their ability to apply Le Chatelier’s principle to ionic systems and calculate the acidity or alkalinity of various salt solutions.
40
Minutes
30
Questions
1 / -0
Marking
Q1. Which of the following acts as both a Bronsted acid and a Bronsted base?
Q2. What is the conjugate base of ?
Q3. The pH of a M solution of is:
8.0
6.0
Between 6 and 7
Between 7 and 8
Q4. According to the Lewis concept, an acid is a/an:
Proton donor
Electron pair donor
Electron pair acceptor
Hydroxyl ion donor
Q5. For a neutral solution at K, where , the pH is:
7.00
6.14
12.28
6.50
Q6. Which of the following salts will undergo anionic hydrolysis?
Q7. If the degree of ionization () of a weak electrolyte is very small, Ostwald’s Dilution Law is expressed as:
Q8. A buffer solution is a mixture of:
Strong acid and its conjugate base
Weak acid and its conjugate base
Strong base and its conjugate acid
Two strong acids
Q9. The solubility of will be minimum in:
Pure water
M
M
M
Q10. The pH of a M solution is:
2
12
10
7
Q11. Which is the strongest conjugate base?
Q12. The relationship between and for a conjugate acid-base pair is:
Q13. The pH of a buffer solution containing equal concentrations of () and is:
4.74
7.00
9.26
5.00
Q14. For the salt , the expression for the solubility product () in terms of solubility () is:
Q15. When gas is passed through a saturated solution of , the precipitates because:
is a gas
Ionic product of exceeds
of decreases
reacts with
...and 15 more challenging questions available in the interactive simulator.