Chemistry Chemical Equilibrium Test Online Mcqs Preparation

Chemistry Chemical Equilibrium Test Online Mcqs Preparation With Answers Start Below

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Question 1 of 15

1. The solubility product of AgCl is 2.0 x 10-10 mol2dm-6. The maximum concentration of Ag+ ions in the solution is:
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. The solubility of Fe(OH)3 is x molar per dm3. Its Ksp would be:
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. What will be the pH of 1.0 mol dm-3 of NH4OH, which is 1% dissociated.
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. At equilibrium, the concentration of reactants and products are
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. The decomposition of N2O4 to NO2 is carried out at 280°C in chloroform. When equilibrium is reached, 0.2 moles of N2O4 and 0.02 mole of NO2 are present in 1:1 ratio. The equilibrium constant for the reaction N2O4 →2NO2 is
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. Which one is best buffer those have
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. Consider the reaction PCl5 (g) ⇌ PCl3(g) +Cl2 in a closed container at equilibrium. At a fixed temperature, what will be the effect of adding more PCl5 on the equilibrium constant?
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. For what value of Kc almost forward reaction is complete.
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. The most suitable temperature of preparing ammonia gas is:
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

10. The pH of ideal buffer is:
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. In a given system, water and ice are in equilibrium, if the pressure is applied to the above system then:
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. The Kw of water at 25°C is given by:
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. An excess of silver nitrate is added to the aqueous barium chloride and the precipitate is removed by filtration. What are the main ions in the filtrate:
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. Buffer action can be explained by except?
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. For the reaction H2(g) + I2(g) ⇌ 2HI(g). The equilibrium constant changes with
A.
B.
C.
D.

Question 15 of 15


 

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