Equilibrium: JEE Main 2026 Chemistry question

JEE Main 2026 · 5 Apr, Evening shift · Q56

JEE Main 20265 Apr, Evening shiftChemistryMediumEquilibrium123× since 2002

The reaction

\mathrm{A(g)\rightleftharpoons B(g)+C(g)}

was initiated with the amount 'a' of A(g). At equilibrium it is found that the amount of A(g) remaining is

(a-x)

at a total pressure of p. The equilibrium constant Kp of the reaction can be calculated from the expression :

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JEE Main 2026 Equilibrium Question with Solution (5 Apr Evening shift, Q56) | JEE Arc

JEE Main 2026 · 5 Apr, Evening shift · Q56

JEE Main 20265 Apr, Evening shiftChemistryMediumEquilibrium123× since 2002

The reaction

\mathrm{A(g)\rightleftharpoons B(g)+C(g)}

was initiated with the amount 'a' of A(g). At equilibrium it is found that the amount of A(g) remaining is

(a-x)

at a total pressure of p. The equilibrium constant Kp of the reaction can be calculated from the expression :