XI Chemistry Mcqs
Chemical Equilibrium – Chapter # 06 – Test 04
- Question 1 of 101. Which of the following will change the value of Kc, for the reaction: H2 I2 2HI
Right Answer! Good
Wrong Answer Correct Answer is : Change of temperature
- Question 2 of 102. If the volumes of reactants and products are same, the equilibrium is not affected by:
Right Answer! Good
Wrong Answer Correct Answer is : Pressure
- Question 3 of 103. A reversible reaction is that:
Right Answer! Good
Wrong Answer Correct Answer is : A reaction in which the products formed re-combines with one another to produce the original reactants
- Question 4 of 104. When the reactants and the products are in the different phases in an equilibrium reaction, the equilibrium obtained is of the kind:
Right Answer! Good
Wrong Answer Correct Answer is : Heterogeneous
- Question 5 of 105. In which of the following cases the extent of reaction would be maximum:
Right Answer! Good
Wrong Answer Correct Answer is : Kc 1055
- Question 6 of 106. If at equilibrium A 0.4 mole/dm3, B 0.5 mole/dm3, C 0.3 mole/dm3, and D 0.8 mole/dm3, Calculate Kc for the reaction 2A B C D:
Right Answer! Good
Wrong Answer Correct Answer is : 3
- Question 7 of 107. The reaction H2 Cl2 2HCl is carried out in one dm3 flask. If the same reaction is carried out in two liter flask, then Kc will be:
Right Answer! Good
Wrong Answer Correct Answer is : Same
- Question 8 of 108. Molecular mass of Urea is 60. If 10 dm3 of solution of urea contains 240 gm, then the active mass of urea would be:
Right Answer! Good
Wrong Answer Correct Answer is : 0.4
- Question 9 of 109. In the reaction A + B C D, 4 mole of A combine with 4 moles of B and form 2 moles each of C and D. Then Kc for the reaction is:
Right Answer! Good
Wrong Answer Correct Answer is : 1
- Question 10 of 1010. If the pressure in the reversible reaction N2 O2 2NO Heat, is increased, the Kc would:
Right Answer! Good
Wrong Answer Correct Answer is : Remain same