First slide

13th group or boron group

Question

The number of 3-centre-2-electron and 2-centre-2-electron bonds in Di Borane respectively are

Moderate

A

1 and 2
B

2 and 4
C

2 and 2
D

2 and 4

Solution

In DiBorane $(B_{2} H_{6})$ , four terminal H-atoms forms 2-centre-2-electron bonds where as two bridges H-atoms can form 3-centre-2-electron bonds

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