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`