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 best buffer those have
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

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

Question 2 of 15

Question 3 of 15

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

Question 3 of 15

Question 4 of 15

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

Question 4 of 15

Question 5 of 15

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

Question 5 of 15

Question 6 of 15

6. 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 6 of 15

Question 7 of 15

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

Question 7 of 15

Question 8 of 15

8. If the concentration of salt is greater than the acid in buffer solution, then the
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

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

Question 9 of 15

Question 10 of 15

10. In the reaction A2(g) + 4B2(g) ⇌ 2AB4(g) such that ΔH < 0;the formation of AB4(g)will be favoured at:
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. Buffer solutions are used in except?
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

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

Question 12 of 15

Question 13 of 15

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

Question 13 of 15

Question 14 of 15

14. 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 14 of 15

Question 15 of 15

15. 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 15 of 15


 

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