Chemistry · 2019
JEE Main · 8 April 2019, Shift 2 · Q54
Among the following molecules/ions, C_2^2-, N_2^2-, O_2^2-, O_2 which one is diamagnetic and has the shortest bond length?
Among the following molecules/ions,
$$\mathrm{C}_2^{2-}, \mathrm{N}_2^{2-}, \mathrm{O}_2^{2-}, \mathrm{O}_2
$$
which one is diamagnetic and has the shortest bond length ?
Official answer
(2)
$\displaystyle \mathrm{C}_2^{2-}$
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JEE Main 2019 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.