Chemistry · 2019
JEE Main · 10 January 2019, Shift 2 · Q46
The number of 2-centre-2-electron and 3-centre-2-electron bonds in B_2 H_6, respectively, are:
The number of $\displaystyle 2$-centre-$\displaystyle 2$-electron and $\displaystyle 3$-centre-$\displaystyle 2$-electron bonds in $\displaystyle \mathrm{B}_2 \mathrm{H}_6$, respectively, are:
Official answer
(2)
$\displaystyle 4$ and $\displaystyle 2$
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JEE Main 2019 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.