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The equilibrium constant, K(c ) for the ...

The equilibrium constant, `K_(c )` for the reaction :
`H_(2)+I_(2) hArr 2HI` at 700 K is 49. What is the equilibrium constant for the reaction :
`HI hArr (1)/(2)H_(2)+(1)/(2)I_(2)` at the same temperature ?

A

49

B

`0.02`

C

`1.43`

D

`0.143`

Text Solution

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The correct Answer is:
D
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MODERN PUBLICATION-UNIT TEST 2-MCQs
  1. HI was heated in a sealed tube at 400^(@)C till the equilibrium was re...

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  2. The equilibrium SO(2)Cl(2)(g) hArr SO(2)(g)+Cl(2)(g) is attained at 25...

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  3. The equilibrium constant, K(c ) for the reaction : H(2)+I(2) hArr ...

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  4. Solubility of BaF(2) in a solution of Ba(NO(3))(2) will be represented...

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  5. The following equilibrium are given : N(2)+3H(2)hArr 2NH(3):K(1) ...

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  6. For a sparingly soluble salt A(p)B(q) the relationship between its sol...

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  7. The K(sp) of CuS, Ag(2)S and HgS are 10^(-31), 10^(-44) and 10^(-54) r...

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  8. 500 ml of vessel contains 1.5 M each of A, B, C and D at equilibrium. ...

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  9. If K(1) and K(2) are the respective equilibrium constants for the t...

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  10. Solubility of an AB(2) type electrolyte is 5.0xx10^(-5) mol L^(-1). K(...

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  11. For the hydrolysis of a salt of weak acid and weak base, the hydrolysi...

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  12. The pK(a) of a weak acid is 4.8. What should be the ratio of [Acid]/[S...

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  13. A solution which is 0.001 M each in Mn^(2+), Fe^(2+), Zn^(2+) and Hg^...

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  14. Which of the following pairs constitutes a buffer ?

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  15. The pH of a solution obtained by mixing 50 mL of 1N HCl and 30 mL of 1...

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  16. Molar heat capacity of water at equilibrium with ice at constant press...

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  17. If the concentration of OH^(-) ions in the reaction Fe(OH)(3)(s)hAr...

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  18. 10^(-6)M NaOH is diluted to 100 times. The pH of the diluted base is

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  19. 1 mole of helium is expanded from 1 atm to 0.1 atm at 30^(@)C. Assumin...

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  20. What would be the solubility of AgCl in 0.1 M NaCl solution ? (K(sp)" ...

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