Chemistry · 2025
JEE Main · 28 January 2025, Shift 1 · Q55
A weak acid HA has degree of dissociation x. Which option gives the correct expression of (pH - pK_a )?
A weak acid HA has degree of dissociation x . Which option gives the correct expression of (pH - $\displaystyle \mathrm{pK}_{\mathrm{a}}$ )?
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle \log \left(\frac{x}{1-x}\right)$
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JEE Main 2025 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.