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When a system is in equilibrium state...

When a system is in equilibrium state

A

The concentration of products is equal to the concentration of the reactants

B

The ratio of the product of active masses of products to reactants is constant

C

Number of moles of reactants and products is the same

D

The ratio of rate constants of the forward and backward reaction is always unity

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The correct Answer is:
B
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AAKASH SERIES-CHEMICAL EQUILIBRIUM-PRACTICE SHEET (EXERCISE -I) LEVEL-II (STRAIGHT OBJECTIVE TYPE QESTIONS )
  1. As per law of mass action, for NH(4) HS(s) hArr NH(3)(g) + H(2) S(g) ...

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  2. Law of mass action can not be applied to

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  3. At a given temperature, for a reversible reaction, if the concentratio...

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  4. The units of cquilibrium constant Kc for the following system H(2(g)) ...

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  5. Consider the following equilibrium PCl(g) hArr PCl(3)(g) + Cl(2)(g) ...

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  6. At equilibrium state

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  7. For which of the following reactions, the degree of dissociation (alph...

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  8. When a system is in equilibrium state

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  9. Attainment of equilibrium can be noticed with the help of constancy of...

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  10. A catalyst

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  11. The following are some statements about chemical equilibrium. (A) Th...

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  12. A mixture of 2 moles of N(2) and 8 moles of H(2) are heated in a 2 lit...

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  13. For the reaction C(s) + CO(2) (g) hArr 2CO(g). the partial pressures o...

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  14. The equilibrium conatant for the reaction H(2(g)) + I(2(g)) hArr 2HI(...

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  15. Initially 0.8 mole of PCl(5) and 0.2 mole of PCl(3) are mixed in one l...

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  16. 4 g H(2) &127 g I(2) are mixed & heated in 10 lit closed vessel until ...

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  17. A vessel at 1000 K contains CO(2) with a pressure of 0.5 atm. Some of...

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  18. 3C(2)H(2) hArr C(6) H(6) the above reaction is performed in a I lit ve...

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  19. 1.0 mole of ethyl alcohol and 1.0 mole of acctic acid are mixed. At eq...

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  20. A mixture of Nitrogen and Hydrogen (1:3 mole ratio) is at an initial p...

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