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If we know the equilibrium constant for ...

If we know the equilibrium constant for a particular reaction, we can calculate the concentrations in the equilibrium mixture from the initial ocncentrations. Commonly only the initial concentration of reactants are given.
In a study of equilibrium
`2SO_(2)(g) + O_(2)(g)hArr2SO_(3)(g)`
Starting with 2 mole `SO_(2)` and 1.5 mole `O_(2)` in 5 litre flask. Equilibrium mixture required 0.4 mole `KMnO_(4)` in acidic medium. Hence `K_(c)` is :

A

0.2

B

5

C

675

D

None of these

Text Solution

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The correct Answer is:
B
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One mole of SO_(3) was placed in a two litre vessel at a certain temperature. The following equilibrium was established in the vessel 2SO_(3)(g)hArr2SO_(2)(g)+O_(2)(g) The equilibrium mixture reacts with 0.2 mole KMnO_(4) in acidic medium. Hence, K_(c) is :

MOTION-CHEMICAL EQUILIBRIUM-Exercise - 2
  1. If we know the equilibrium constant for a particular reaction, we can ...

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  2. If we know the equilibrium constant for a particular reaction, we can ...

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  3. If we know the equilibrium constant for a particular reaction, we can ...

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  4. Column I (A) K(p) lt K(c) (B) Introduction (C) K(P)^(0) is dimen...

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  6. Column-I (A) A(2(g))+B(2(g))overset("Exothermic")hArr(2AB((g))) (B...

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  7. If a mixture of 3 "mole" of H(2) and 1 "mole" of N(2) is completely co...

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  8. For the reaction C(s)+CO(2)(g) hArr 2CO(g), the partial pressure of CO...

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  9. In the reaction, PCl(5)hArrPCl(3)+Cl(2), the amounts of PCl(5), PCl(3)...

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  10. For the equilibrium, 2NO((g))+O(2(g))hArr2NO(2(g)), K(p) is 1.24xx10^(...

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  11. Equilibrium constant (K(p)) for 2H(2)S((g))hArr2H(2(g))+S(2(g)) is 0.0...

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  12. The molar concentration of A and B are 0.80 mol//litre each . On mixin...

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  13. In a reaction at equilibrium, 'x' mole of reactant A decompose to give...

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  14. In the reaction C((s))+CO(2(g))hArr2CO((g)), the equilibrium pressure ...

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  15. N(2)O(4) is 60% dissociated into NO(2) at 340K and 1 atm pressure. Fin...

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  16. Ammonium carbamate when heated to 473 K gives a mixture of NH(3) and C...

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  17. In an experiment starting with 1 mol C(2)H(5)OH, 1 mol CH(3)COOH, and ...

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  18. Maximum number of phases at equilibrium of pure substance is

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  19. The composition of the equilibrium mixture for the equilibrium Cl(2)hA...

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  20. 2A(g) + B(g) overset(K(eq)=2×x10^(9))hArr3C(g) Initially only A & B ...

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