Question

Which bond is most polar?
A. Cl-F
B. Br-F
C. I-F
D. F-F

Answer 1

Correct Answer - C
More is the electronegativity difference, more is polarity.
`{:(,"Electronegativity difference"),(Cl-F,4.0-3.0=1.0),(Br-F,4.0-2.8=1.2),(I-F,4.0-2.4=1.6),(F-F,4.0-4.0=0.0) :}`