The first and second ionization constants of H _2 X are 2.5 \times 10^{-8} and 1.0 \times 10^{-13} respectively. The concentration of X^{2-} in 0.1 M H _2 X solution is \_\_\_\_ \times 10^{-15} M. (Nearest Integer) [21 Jan 2026 Shift 2]

JEE Main 21 Jan 2026 Shift 2 Paper Solved Paper

Section: Chemistry

Question : 73 of 75

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The first and second ionization constants of H2X are 2.5×10−8 and 1.0×10−13 respectively. The concentration of X2− in 0.1MH2X solution is ____ ×10−15M. (Nearest Integer)

[21 Jan 2026 Shift 2]

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