Statement I : Diborane is electron deficient molecule
Statement II : In the formation of diborane molecule, boron atom uses sp³ - hybrid orbitals

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Both the statements are true

Both the statements are false

I is false and II is true

I is true and II is false

answer is A.

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Detailed Solution

In diborane each B atom undergoes sp³hybridisation ,it contains two B-H-B bridges . Each bridge bond is formed by overlapping of one "B"sp³hybrid 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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