Question

Magnetic moment of KO2.how to find it?

Answer 1

Pottasium in KO2 has Oxidation state is +1

EC of K :1s2 2s2 2p6 3s2 3p6 4s1

So if it loses one electrone

then EC :1s2 2s2 2p6 3s2 3p6 which has 0 unpaired electrons

MM=✓n(n+2)=0