Chemistry · 2026
JEE Main · 28 January 2026, Shift 1 · Q63
CORRECT order of stability for the following is CH_2= CH^-, CH_3- CH_2^-, CH ≡ C^-
CORRECT order of stability for the following is $\displaystyle \mathrm{CH}_2=\mathrm{CH}^{-}, \mathrm{CH}_3-\mathrm{CH}_2{ }^{-}, \mathrm{CH} \equiv \mathrm{C}^{-}$
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle \mathrm{CH} \equiv \mathrm{C}^{-}>\mathrm{CH}_2=\mathrm{CH}^{-}>\mathrm{CH}_3-\mathrm{CH}_2^{-}$
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JEE Main 2026 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.