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

Question 1 of 15

Question 2 of 15

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

Question 2 of 15

Question 3 of 15

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

Question 3 of 15

Question 4 of 15

4. 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 4 of 15

Question 5 of 15

5. 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 5 of 15

Question 6 of 15

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

Question 6 of 15

Question 7 of 15

7. A basic buffer solution can be prepared by mixing:
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. 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 8 of 15

Question 9 of 15

9. The oxidation of SO2 to SO3 is exothermic reaction. The yield of SO3 will be maximum if:
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

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

Question 10 of 15

Question 11 of 15

11. In a saturated solution of AgCl, the molar concentration of Ag+ and Cl- is 1.0 x 10-5 M each. What is the value of Ksp
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. Which one is very weak acid?
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. If the temperature is increased of following reaction, then will go in
N2 + 3H2 ⇌ 2NH3 ∆H = -Ve
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. pH of 10-4 mole dm-3of HCl:
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

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

Question 15 of 15


 

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