(D) For the first equilibrium: $AB \rightleftharpoons A^{+} + B^{-}$,$K_1 = \frac{[A^{+}][B^{-}]}{[AB]}$For the second equilibrium: $AB + B^{-} \right

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inversely proportional to the square of $[B^{-}]$

(D) For the first equilibrium: $AB \rightleftharpoons A^{+} + B^{-}$,$K_1 = \frac{[A^{+}][B^{-}]}{[AB]}$For the second equilibrium: $AB + B^{-} \rightleftharpoons AB_2^-$,$K_2 = \frac{[AB_2^-]}{[AB][B^{-}]}$Dividing $K_1$ by $K_2$,we get:$\frac{K_1}{K_2} = \frac{[A^{+}][B^{-}]}{[AB]} \times \frac{[AB][B^{-}]}{[AB_2^-]} = \frac{[A^{+}][B^{-}]^2}{[AB_2^-]}$Rearranging the expression to find the ratio $\frac{[A^{+}]}{[AB_2^-]}$:$\frac{[A^{+}]}{[AB_2^-]} = \frac{K_1}{K_2} \times \frac{1}{[B^{-}]^2}$Thus,the ratio $\frac{[A^{+}]}{[AB_2^-]}$ is inversely proportional to the square of $[B^{-}]$.

Class 11 Chemistry 6-1.Equilibrium (Chemical Equilibrium)Mix Examples- 6-1.Equilibrium (Chemical Equilibrium)

Medium

Two equilibria,$AB \rightleftharpoons A^{+} + B^{-}$ and $AB + B^{-} \rightleftharpoons AB_2^-$,are simultaneously maintained in a solution with equilibrium constants $K_1$ and $K_2$ respectively. The ratio of $[A^{+}]$ to $[AB_2^-]$ in the solution is

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A
directly proportional to $[B^{-}]$
B
inversely proportional to $[B^{-}]$
C
directly proportional to the square of $[B^{-}]$
D
inversely proportional to the square of $[B^{-}]$

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6-1.Equilibrium (Chemical Equilibrium)

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Mix Examples- 6-1.Equilibrium (Chemical Equilibrium)

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For the reaction,$2SO_{2(g)} + O_{2(g)} \to 2SO_{3(g)}$
$\Delta H = -57.2 \ kJ \ mol^{-1}$ and $K_C = 1.7 \times 10^{16}$
Which of the following statement is $INCORRECT$?

MediumJEE MAIN 2019

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Which of the following statements is/are true about equilibrium?
$(a)$ Equilibrium is possible only in a closed system at a given temperature.
$(b)$ All the measurable properties of the system remain constant at equilibrium.
$(c)$ Equilibrium constant for the reverse reaction is the inverse of the equilibrium constant for the reaction in the forward direction.

MediumKCET 2025

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$1 \ mol$ $N_2$ and $3 \ mol$ $H_2$ are taken in a $4 \ L$ closed vessel at a constant temperature. The reaction is $N_{2(g)} + 3H_{2(g)} \rightleftharpoons 2NH_{3(g)}$. If $0.25\%$ of $N_2$ is converted into ammonia,calculate $K_c$ for this reaction and the $K_c'$ for the reaction $\frac{1}{2}N_{2(g)} + \frac{3}{2}H_{2(g)} \rightleftharpoons NH_{3(g)}$.

Medium

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For the reaction $A + B \rightleftharpoons 2C$,the value of equilibrium constant is $100$ at $298 \ K$. If the initial concentration of all the three species is $1 \ M$ each,then the equilibrium concentration of $C$ is $X \times 10^{-1} \ M$. The value of $X$ is $.....$ (Nearest integer)

DifficultJEE MAIN 2021

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For the reaction $H_{2(g)} + I_{2(g)} \rightleftharpoons 2HI_{(g)}$,the value of $K_c$ at $440 \ ^oC$ is $50$. If the reaction is initiated in a $1 \ L$ flask with $1 \ mol$ of $H_2$,$2 \ mol$ of $I_2$,and $3 \ mol$ of $HI$,then the equilibrium concentration of $HI$ will be .......... $M$.

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Two equilibria,$AB \rightleftharpoons A^{+} + B^{-}$ and $AB + B^{-} \rightleftharpoons AB_2^-$,are simultaneously maintained in a solution with equilibrium constants $K_1$ and $K_2$ respectively. The ratio of $[A^{+}]$ to $[AB_2^-]$ in the solution is

Similar Questions

For the reaction,$2SO_{2(g)} + O_{2(g)} \to 2SO_{3(g)}$$\Delta H = -57.2 \ kJ \ mol^{-1}$ and $K_C = 1.7 \times 10^{16}$Which of the following statement is $INCORRECT$?

For the reaction $A + B \rightleftharpoons 2C$,the value of equilibrium constant is $100$ at $298 \ K$. If the initial concentration of all the three species is $1 \ M$ each,then the equilibrium concentration of $C$ is $X \times 10^{-1} \ M$. The value of $X$ is $.....$ (Nearest integer)

For the reaction $H_{2(g)} + I_{2(g)} \rightleftharpoons 2HI_{(g)}$,the value of $K_c$ at $440 \ ^oC$ is $50$. If the reaction is initiated in a $1 \ L$ flask with $1 \ mol$ of $H_2$,$2 \ mol$ of $I_2$,and $3 \ mol$ of $HI$,then the equilibrium concentration of $HI$ will be .......... $M$.

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For the reaction,$2SO_{2(g)} + O_{2(g)} \to 2SO_{3(g)}$
$\Delta H = -57.2 \ kJ \ mol^{-1}$ and $K_C = 1.7 \times 10^{16}$
Which of the following statement is $INCORRECT$?