AP EAMCET Engineering 17 Sep 2020 Shift 1 Paper

Ease of H-bonds formation, i.e., strength of hydrogen bonding given by electronegative elements follow the order.
F>O>N>Cl
So, HI and H2S cannot make H-bonds. In HCl,
H-bonding is very weak in nature.
Here, only H2O will give strongest H -bonding.