Q.

The ionisation constant of H2CO3 as an acid in aqueous solution at room temperature is X. If the first and second ionisation constants of H2CO3 are X1 and X2 respectively then

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XX2 = X1

XX1 = X2

X = X1X2

2X=X1X2

answer is C.

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Detailed Solution

GivenEquation (1) = Equation (2) + Equation (3)If two equations are added then the equilibrium constant for the net reaction will be product of the equllibrium constant value, of the two equations addedThus

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