Among the given elements, least IP₁ value is for

IP₁- Li < B < Be < C < O < N < F < Ne ;

IP₂- Be < C < B < N < F < O < Ne < Li ;

IP₁- Na < Al < Mg < Si < S < P < Cl < Ar ;

IP₂- Mg < Si < Al < P < Cl < S < Ar < Na ;