Question

Which of the following hydrogen bonds is the strongest?

• A. $O-H\dots \dots .N$
• B. $F-H\dots \dots .F$
• C. $O-H\dots \dots .O$
• D. $O-H\dots \dots .F$

Answer 1

Answer: (B)

The hydrogen bond in HF is strongest, because fluorine is the most electronegative element. Thus, (2) is the correct option.