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Tau bonds are formed by overlapping of

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By Expert Faculty of Sri Chaitanya
a
sp – s – sp
b
s – sp3 – s
c
sp2 – s – sp2
d
sp3 – s – sp3

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detailed solution

Correct option is D

In diborane each B atom undergoes sp3  hybridisation ,it contains two B-H-B bridges . Each bridge bond is formed by overlapping of one "B"sp3  hybrid orbital with one electron, hydrogen s-orbital with one electron and another boron sp3 hybrid orbital without electron .That is the bridge head bond is a electron deficient three centre two electron bond.The number of atoms involved in bridged bonds in one diborane molecule is four.


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