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HI was heated in a sealed tube at 440^(@...

HI was heated in a sealed tube at `440^(@)`C till the equilibrium was reached. HI was found to be 22% decomposed. The equilibrium constant for the dissociation of HI is `[2HI hArr H_(2) + I_(2) ]`

A

0.282

B

0.0796

C

0.0199

D

1.99

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-CHEMICAL EQUILIBRIUM-PRACTICE SHEET (EXERCISE -I) LEVEL-I (STRAIGHT OBJECTIVE TYPE QESTIONS )
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  6. What is the equilibrium expression for the reaction, P(4(s)) + 5O(2(g)...

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  7. Which of the following is an irreversible reaction

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  8. At a given temperature, Ke is 4 for the reaction H(2(g)) + CO(2(g)) hA...

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  9. One mole of A((g)) is heated to 300^(@) C in a closed one litre vesse...

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

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  12. 1.2 moles of SO(3) are allowed to dissociate in a 2 litre vessel the ...

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  13. Kp value for 2SO(2(g)) O(2(g)) hArr 2SO(3(g)) is 5.0 atm^(-1). What ...

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  14. 20 gm of CaCO(3) is allowed to dissociate in a 5.6 litres container a...

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  15. Ata certain temperature, the degree of dissociationof PCI(3) was found...

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  16. HI was heated in a sealed tube at 440^(@)C till the equilibrium was re...

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  17. Active mass of 0.64g SO(2) in 10 lit vessel is

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  18. An equilibrium mixture for the reaction, 2H(2)S(g) hArr 2H(2) (g) + S(...

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  19. When the molar concentrations of SO(2), O(2) and SO(3) at equilbrium ...

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  20. For the reaction CO((g)) + (1)/(2) O(2(g)), K(1)//K(c) is

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