Question

The number of 2-centre-2-electron and 3-centre-2-electron bonds in B₂H₆, respectively, are :
(A) 2 and 1 (B) 4 and 2
(C) 2 and 2 (D) 2 and 4

Answer 1

answer is b .Hope you are satisfied with the answer

green coloured is 2 centred 2 electron bond and such bonds are 4 and red is 3 centered 2 electron bond and these are two in number