1. Tardigrade
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  4. The number of 2 -centre- 2 -electron and 3-centre-2-electron bonds in B 2 H 6, respectively, are :

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Q. The number of 2 -centre- 2 -electron and 3-centre-2-electron bonds in $B _{2} H _{6}$, respectively, are :

JEE MainJEE Main 2019Aldehydes Ketones and Carboxylic Acids

Solution:

According to structure, There are four $2-$ centre $-2-$ electron bonds and two $3-$ centre $- 2$ - electron bonds in $B _{2} H _{6}$.
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