Chemistry · 2026
JEE Main · 21 January 2026, Shift 2 · Q53
The correct increasing order of C - H ( A ), C - O ( B ), C = O ( C ) and C ≡ N ( D ) bonds in terms of covalent bond length is:
The correct increasing order of $\displaystyle \mathrm{C}-\mathrm{H}(\mathrm{A}), \mathrm{C}-\mathrm{O}(\mathrm{B}), \mathrm{C}=\mathrm{O}(\mathrm{C})$ and $\displaystyle \mathrm{C} \equiv \mathrm{N}(\mathrm{D})$ bonds in terms of covalent bond length is :
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle \mathrm{A}<\mathrm{D}<\mathrm{C}<\mathrm{B}$
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JEE Main 2026 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.