Question

guys the answer is option 1 but explain how .... derive this pls so
fast ...

Answer 1

hey mate!

effective charge can be calculated by

charge/ number of atoms

here effective charge on oxygen is

-3/4 = -0.75

(2) and bond order can be calculated by

total number of bonds / number of atoms


here, bond order of oxygen will be

5/4 = 1.25

#Phoenix