CBSE 2026 · Region 3 · Set 2 · Q8 · 1 mark
Among the following, which one has the lowest value of $\displaystyle \mathrm{pK}_{\mathrm{b}}$ ?
Official answer
From CBSE’s own marking scheme for this paper.
(A)
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CBSE Class 12 Chemistry past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.