24 September 2013

XI Chemistry Online Mcqs - Chemical Equilibrium - Test - 02

XI Chemistry Mcqs

Chemical Equilibrium – Chapter # 06 – Test 02

  1. Question 1 of 10
    1. Kc for the reaction, a of Mass action:
    • Right Answer! Good

    • Wrong Answer Correct Answer is : KC Cc Dd / Aa Bb

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  2. Question 2 of 10
    2. The term Active Mass means concentration in
    • Right Answer! Good

    • Wrong Answer Correct Answer is : moles/dm3

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  3. Question 3 of 10
    3. Chemical reaction which proceeds in both forward and backward directions is called:
    • Right Answer! Good

    • Wrong Answer Correct Answer is : Reversible Reactions

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  4. Question 4 of 10
    4. If a system in equilibrium is subjected to a change in temperature, pressure or concentration, than the equilibrium shifts in such a way that the effect of changed condition is nullified:
    • Right Answer! Good

    • Wrong Answer Correct Answer is : Le-Chatlier's Principle

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  5. Question 5 of 10
    5. The point at which the rate of forward reaction is equal to the rate of backward reaction is called:
    • Right Answer! Good

    • Wrong Answer Correct Answer is : Equilibrium point

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  6. Question 6 of 10
    6. When all reactants and products are in liquid state, such a system is called:
    • Right Answer! Good

    • Wrong Answer Correct Answer is : Homogeneous equilibrium

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  7. Question 7 of 10
    7. The rate of chemical reaction:
    • Right Answer! Good

    • Wrong Answer Correct Answer is : Decreases as the reaction proceeds

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  8. Question 8 of 10
    8. The equilibrium in which reactants and the products are in different phase, is called:
    • Right Answer! Good

    • Wrong Answer Correct Answer is : Heterogeneous equilibrium

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  9. Question 9 of 10
    9. A positively catalyst is a substance that enables to reach a state of equilibrium:
    • Right Answer! Good

    • Wrong Answer Correct Answer is : More quickly

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  10. Question 10 of 10
    10. The rate of reaction is directly proportional to their:
    • Right Answer! Good

    • Wrong Answer Correct Answer is : Active masses

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