Home Chemistry Chemical Equilibrium Test Online Mcqs Preparation

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

Question 1 of 15

Question 2 of 15

2. 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 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. If ionic product is equal to Ksp then the solution is
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. pH of an aqueous solution is 3.0 at 25°C. The hydrogen ion concentration in the solution would be
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. 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 6 of 15

Question 7 of 15

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

Question 7 of 15

Question 8 of 15

8. 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 8 of 15

Question 9 of 15

9. Which one increases by common ion effect except?
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

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

Question 10 of 15

Question 11 of 15

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

Question 11 of 15

Question 12 of 15

12. What will be the pH of 1.0 mol dm-3 of H2X, which is only 50% disscociated?
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

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

Question 13 of 15

Question 14 of 15

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

Question 14 of 15

Question 15 of 15

15. 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 15 of 15


 

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