Questions
The number of 2-centre-2-electron and 3-centre-2-electron bonds in B2H6, respectively, are :
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a
2 and 4
b
2 and 1
c
2 and 2
d
4 and 2
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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.Similar Questions
Which of the following molecular hydrides acts as a Lewis acid?
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