Question

Among the following the strongest hydrogen bond is

• A. O–H - - - - - S
• B. S–H- - - - -O
• C. F–H- - - - -F
• D. O–H- - - - -O

Answer 1

Answer: (C)

F–H- - - - -F

Answer 2

F being most electronegative will yield strongest H–bond