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JEE Advanced 2026 — Chemistry Physical Chemistry

hard
mcq
2026

Question

For the reaction $\text{N}_2\text{O}_4(g) \rightleftharpoons 2\text{NO}_2(g)$, if $K_p = 4 \text{ atm}$ at $300\text{K}$, the degree of dissociation ($\alpha$) at a total pressure of $1 \text{ atm}$ is:

Options

  1. A

    $\sqrt{\frac{4}{5}}$

  2. B

    $\frac{2}{\sqrt{5}}$

  3. C

    $\frac{1}{2}$

  4. D

    $\sqrt{\frac{2}{3}}$

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