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In aa chemical reaction equilibrium is e...

In aa chemical reaction equilibrium is established when :

A

operating reaction ceases

B

concentrations of reactants and products are equal

C

velocities of opposing reactions become equal

D

temperatures of opposing reactions are equal.

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The correct Answer is:
C
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ICSE-EQUILIBRIUM -OBJECTIVE (MULTIPLE CHOICE ) TYPE QUESTIONS
  1. In aa chemical reaction equilibrium is established when :

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  2. The equilibrium constant of a reversible reaction at a given temperatu...

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  3. In the reaction, N2(g) +3H2(g) hArr 2NH3(g) the value of the eq...

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  4. In the reaction A + B hArr C + D, 4 moles of A react with 4 moles o...

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  5. For a reversible reaction, if the concentration of the reactants are d...

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  6. For the reaction 2SO2 +O2 hArr 2SO3 the units of K are

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  7. The law of mass action was enunciated by

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  8. For the reaction H(2)(g)+I(2)(g)hArr2HI(g), the equilibrium constant c...

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  9. For the reaction, CO(g) +(1)/(2) O2(g) hArr CO2 (g), Kp//Kc ...

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  10. Wet clothes dry quicker when there is a breeze because

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  11. 1.1 moles of A are mixed with 2.2 moles of B and the mixture is kept i...

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  12. The equilibrium constant for the reactions N2(g) +O2(g) hArr 2N...

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  13. Consider the following two gaseous equilibria involving SO2 and the co...

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  14. In which of the following case, does the reaction go farthest to compl...

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  15. A mixture of 0.3 moles of H2 and 0.3 moles of l2 is allowed to react i...

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  16. 28 g of N2 and 6 g of H2 were kept at 400 ^(@) C in 1 litre vesse...

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  17. In the reactions H2(g) +Cl2 ( g) hArr 2HCl (g) .

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  18. In the reaction A2(g) +4B2 (g) hArr 2AB4 (g), Delta H lt 0 The ...

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  19. For the reaction PCl(5(g))hArrPCl(3(g))+Cl(2(g)), the forward reactio...

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  20. Given HF + H2O hArr H3O^(+) + F^(-) ,Ka " " F^(-...

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