AIIMS 26 May 2019 Evening Question Paper with solutions for online practice

Among Li & Na, Na is more electropositive
Among F, Cl & Br, F is most electronegative.
So, Na & F will have maximum electronegativity difference.
EN value = F  Cl  Br  I   Li  Na
     4  3  2.8  2.5  1  0.9