Ionic Equilibrium, Class 11 Chemistry NCERT Solutions

1. There will be total 10  MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying.

1. Which of the following is true about a 0.10 M solution of a weak acid (HX)?

pH = 1

[H⁺] = 0.10 M

[X^-] = 0.10 M

[HX] > [H⁺]

Your comments:

Question 1 of 10

2. The conjugate base of NH₃ is

NH₂^-

NH^2-

NH

NH₄⁺

Your comments:

Question 2 of 10

3. Which one of the following can act as Bronsted acid as well as Bronsted Base

NH₃

HCO₃^-

Na₂CO₃

OH^-

Your comments:

Question 3 of 10

4. What kind of molecule is AlCl₃?

Bronsted base

Lewis base

Bronsted Acid

Lewis Acid

Your comments:

Question 4 of 10

5. Which of the following is a Lewis base?

AlCl₃

NH₃

BF₃

NaOH

Your comments:

Question 5 of 10

6. Which one of the following is a strong electrolyte?

(CH₃)₃N

HF

KCl

HNO₂

Your comments:

Question 6 of 10

7. Which salt is not derived from a strong acid and a strong soluble base?

NaCI

KCl

AgCl

NaNO₃

Your comments:

Question 7 of 10

8. Which of the following weak acids ionizes to give the strongest conjugate base?

CH₃COOH

HF

HNO₂

HClO

Your comments:

Question 8 of 10

9. Which one of the following is a weak acid?

HI

HF

HNO₃

HClO₃

Your comments:

Question 9 of 10

10. The values of K_a of different acids are given below, which one of them represent the strongest acid?

Hydrofluoric acid(K_a = 6.7x10^-4)

Boric Acid (K_a = 5.8x10^-10)

Benzoic acid(K_a = 6.3x10^-5)

Acetic acid(K_a = 1.8x10^-5)

Your comments:

Question 10 of 10

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