Chemistry Chapter No.8 Chemical Equilibrium 1st Year MDCAT MCQs

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Book Name :Ā  Chemistry
Chapter No. 08
Chapter Name : Chemical Equilibrium
Total MCQ from Text Book :Ā  48
Book Version Ā :
2022

Published By : Punjab Text Book Board Lahore
Approved By : Govt of the Punjab and Federal Ministry for Education
Test Type : MCQ’s
Exam conduct By : Inter Boards of Sindh, KPK, Balochistan, AJK, Gilgit Baltistan, Punjab & Federal
Class / Grade Ā : 11 ( F.Sc. Intermediate)
Total Marks : 48
Total Time :Ā  Ā 48 minutes




GRADE 11 - CHEMISTRY - CHAPTER NO. 8 - CHEMICAL EQUILIBRIUM

GRADE 11 - CHEMISTRY - CHAPTER NO. 8 - CHEMICAL EQUILIBRIUM

1 / 48

pH of human blood is:

2 / 48

With increase in temperature, ionic product of water increases and pH value:

3 / 48

pH of 0.2 M HCl solution which is 50% dissociated:

4 / 48

When BiCl 3 reacts with water, white precipitate of BiOCI (Artificial milk) is formed: BiC13 + H2O ? BiOC1 + 2HC1 White ppt. disappears when:

5 / 48

The pH of 10-3 mol dm-3 of an aqueous solution of H2 SO4 is:

6 / 48

pH of 0.005 molar aqueous solution of H2SO4 is

7 / 48

The unit of Kc for the formation of NH3: N2 + 3H2? 2NH3 H= -92.46 kJ

8 / 48

pH of a solution is 13, the solution is:

9 / 48

pH of acid 'A' is 2 and pH of acid 'B' is 4. Strength of acid A and B is:

10 / 48

Highest pH is of:

11 / 48

The term 'pH' was introduced by:

12 / 48

Which statement about the following equilibrium is correct? 2SO2(g) + O2(g) ? 2SO3(g) H= -188.3 kJ mol-1

13 / 48

When we add NH4Cl in a solution of ammonium hydroxide in water, ionization of NH4OH is:

14 / 48

Of the given anions, the strongest Bronsted base is:

15 / 48

The increase in dilution of solution:

16 / 48

If value of Kc is large, equilibrium position is:

17 / 48

Strength of an acid can be determined by:

18 / 48

Law of mass action was given by Guldberg and Waage in:

19 / 48

Acid is weak if:

20 / 48

Consider the following reaction: N2 + 3H2? 2NH3 H = -92.46 kJ/mol Which of the following conditions will increase the yield of NH3?

21 / 48

Kp and Kc are related:

22 / 48

A solution having pH = 0 indicates molar concentration of H+ ions

23 / 48

Which one is basic buffer solution?

24 / 48

The Conjugate acid of NH- 2 is:

25 / 48

What is Kc expression for? N2 + 3H2 ? 2NH3

26 / 48

For which system does the equilibrium constant, Kc has units of (concentration) -1 ?

27 / 48

pH of gastric juice is:

28 / 48

Relationship between Kp and Kc for the reaction is: N2 + 3H2 ? 2NH3

29 / 48

If Kc is small, then product is:

30 / 48

H2(g) + I2(g) ?2HI (g) The unit for the above reaction is:

31 / 48

For Kc =4x2v2 / (a - x)(b - 3x)3 Then the system will move on:

32 / 48

What is the value of Ksp for the reaction? AgCl ? Ag+ + Cl-

33 / 48

What would be the solubility product of AB2, when solubility of A is '2' ?

34 / 48

pH and pOH of pure water at 25 C:

35 / 48

How many million tons of ammonia is produced annually by Haber's prcess:

36 / 48

A buffer solution can be prepared by mixing:

37 / 48

Cr- ion is the conjugate base of:

38 / 48

The solubility product of AgC1 is 2.0 x 10-10 mol2 dm-6. The maximum concentration of Ag+ ions in the solution is:

39 / 48

The specie acting both as Bronsted acid and base is:

40 / 48

N2 and O2 are in 10dm3 flask and equilibrium constant for the following reaction is 40: N2 + O2?2NO If volume of the flask is doubled, the equilibrium constant will be:

41 / 48

An excess of aqueous silver nitrate is added to aqueous barium chloride and precipitate is removed by filtration. What are the main ions in the filtrate?

42 / 48

The ionic product of water will rise if:

43 / 48

Law of mass action was given by:

44 / 48

Units of Kw are:

45 / 48

Ka and Kb of a conjugate acid and base are related as:

46 / 48

When HCl is added to aqueous solution of H2S, its ionization:

47 / 48

What is the value of Ksp for the reaction? Al(OH)3 ? Al+++ + 3OH-

48 / 48

Which of the following is not affected by increase in pressure at equilibrium?

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