CBSE 2026 · Region 4 · Set 3 · Q7 · 1 mark
The correct order of decreasing order of $\displaystyle \mathrm{pK}_{\mathrm{b}}$ values is :
Official answer
From CBSE’s own marking scheme for this paper.
(A)
$\displaystyle \mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}>\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NHCH}_{3}>\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{NH}_{2}$
AminesPhysical Properties of AminesRemembermcqmedium
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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.