Question

bond order of O2 in Na2O2​

Answer 1

Explanation:

Na2O2

Na2+ O2 2-

O2 2-

sigma 1s2 , sigma star 1s2 , sigma 2s2 ,

sigma star 2s2 ,2pz2 ( pie 2Px2 = pie 2Py2), ( pie star 2 Px2 = pie star 2 Py2)

Bond order = 10 - 8/2 = 1

So bond order of O2 will be 1

It's is diamagnetic in nature