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Consider the equilibrium reactions, H...

Consider the equilibrium reactions,
`H_(3)PO_(4)overset(K_(1))(hArr ) H^(+)+H_(2)PO_(4)^(-)`
`H_(3)PO_(4)^(-)overset(K_(2))(hArr ) H^(+)+HPO_(4)^(-2)`
`HPO_(4)^(-2)overset(K_(3))(hArr)H^(+)+PO_(4)^(-3)`
The equilibrium constant K for the following dissociation
`H_(3)PO_(4)hArr 3H^(+)+PO_(4)^(-)` is

A

`K_(1)=K_(2)+K_(3)`

B

`sqrt(K_(1) K_(2) K_(3))`

C

`K_(1) x K_(2) x K_(3)`

D

`(1)/(K_(1) K_(2) K_(3))`

Text Solution

Verified by Experts

The correct Answer is:
C, D
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NARAYNA-CHEMICAL EQUILIBRIUM-Exercise -I (H.W.)
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  8. In a chemical equilibrium A + B hArr C + D, when one mole each of the...

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  9. K(c) for N(2)O(4)(g) hArr 2NO(2)(g) is 0.00466 at 298 K. If a 1-L cont...

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  10. For the reaction, 2NO(2)(g) rarr 2NO(g) + O(2)(g), K(c) = 1.8 xx 10^(-...

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  13. 4.5 moles each of hydrogen and iodine heated in a sealed 10 litrevesel...

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  14. 1 mole of A((g)) is heated to 200^@ C in a one litre closed flask, til...

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  15. The equilibrium constant for the reaction is H(2)O((l))+CO((g)) Leftri...

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  17. The equilibrium constant for the reaction, H(2)(g) + I(2)(g) hArr 2HI(...

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  18. If K(1) and K(2) are respective equilibrium constants for two reactio...

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  19. A mixture of 0.3 mole of H(2) and 0.3 mole of I(2) is allowed to react...

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