The number of three-centre two-electron (3c-2 | vedclass

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(B) Diborane $(B_2H_6)$ has a bridged structure. It contains two terminal $BH_2$ groups and two bridging hydrogen atoms. The two bridging hydrogen ato

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$2$

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(B) Diborane $(B_2H_6)$ has a bridged structure. It contains two terminal $BH_2$ groups and two bridging hydrogen atoms. The two bridging hydrogen atoms are bonded to the two boron atoms through three-centre two-electron $(3c-2e)$ bonds,often referred to as banana bonds. Therefore,there are $2$ such bonds in a molecule of diborane.

The number of three-centre two-electron $(3c-2e)$ bonds in a molecule of diborane $(B_2H_6)$ is

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