The number of bridge bonds, the maximum number of planar atoms and the number of electrons involved in the formation of bridge bonds in diborane are x, y and z respectively, then (x+y–z) = ?

Answer

4

Explanation

`x= 2 ` (B - H - B bonds)
y = 6 (2B,`4H_(t)` atoms)
z= 4
x + y - z = 2+6-4= 4