Q.

Which of the following statement is not correct about diborane          [2022]

1 Both the Boron atoms are sp2 hybridised.  
2 There are two 3-centre-2-electron bonds.  
3 The four terminal B–H bonds are two-centre two-electron bonds.  
4 The four terminal hydrogen atoms and the two boron atoms lie in one plane.  

Ans.

(1)