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)