The first and second ionization constants of H₂X are 2.5×10⁻⁸ and 1.0×10⁻¹³ respectively. The concentration of X²⁻ in 0.1 M H₂X solution is _ _ _ ×10⁻¹⁵ M. (Nearest Integer)

Equilibrium: JEE Main 2026 Chemistry question

JEE Main 2026 · 21 Jan, Evening shift · Q75

JEE Main 202621 Jan, Evening shiftChemistryMediumEquilibrium123× since 2002

The first and second ionization constants of

\mathrm{H_2X}

are

2.5\times10^{-8}

and

1.0\times10^{-13}

respectively. The concentration of

\mathrm{X^{2-}}

in 0.1 M

\mathrm{H_2X}

solution is ______

\times10^{-15}

M. (Nearest Integer)

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2026 Equilibrium Question with Solution (21 Jan Evening shift, Q75) | JEE Arc