(A) According to MOT, number of Bonding electrons and number of antibonding electron in Ne2 is same So, BO=
Nb−Na
2
is zero (A) is correct (B) F2⇒σ152σ15*2σ252σ25*2σ2p22π2px2=π2py2 π2px*2=π2py*2σ2p2* HOMO of F2 is π-type not σ-type (B) is incorrect (C) BE∝BO BO of O2 is =2 BO of O2+is =2.5 BE of O2+>BE of O2 (C) is incorrect (D) Bond length of B2=118pm Bond length of Li2=267pm B.L. of Li2> B.L. of B2 (D) is correct