Based on difference in electronegativities between atoms, which is the most polar bond pair?

The atoms under this question can be found elsewhere and as follows:

chlorine (Cl) - 3.61 
sulfur (S) - 2.58 
hydrogen (H) - 2.2 
oxygen (O)- 3.44 
fluorine (F)- 4

Based on difference in electronegativities between atoms, the most polar bond pair would be hydrogen and fluorine. They have the highest electronegativity difference.

They are all decomposition reactions.