Q. How many bonds does $B_{2}$ have?

2809 251 ManipalManipal 2009The p-Block Elements Report Error

A

0

12%

B

1

56%

C

2

20%

D

3

12%

Solution:

$B_{2} : KK (σ 2 s)^{2} (σ^{*} 2 s)^{2} (π 2 p_{x})^{1} (π 2 p_{y})^{1}$
Bond order $= \frac{1}{2} (4 - 2) = 1$