Question

Decreasing order of stability of O2, O2^-,O2^+ and O2^2-

O2>O2^+>O2^2->O2^-

O2^->O2^2->O2^+>O2

O2^+>O2>O2^->O2^2-

O2^2->O2^->O2>O2^+

​

Answer 1

Answer:

As the bond order decreases, the stability decreases.

The bond order is O

2

+

(2.5)>O

2

(2)>O

2

−

(1.5)>O

2

2−

(1).

Decreasing order of stability of O

2

,O

2

−

,O

2

+

and O

2

2−

is O

2

+

>O

2

>O

2

−

>O

2

2−

.

Hence, option C is correct.

Answer 2

Answer:

As the bond order decreases, the stability decreases.

Hence, option C is correct.