Browse Questions

# In which of the following compounds do the bonds have the largest percentage of ionic character?

$\begin{array}{1 1}(a)\;H_2O&(b)\; HF\\(c)\;IBr&(d)\;N_2O_4\end{array}$

According to Fajan's rule,larger cation and smaller anion will have maximum ionic character.
Hence (c) is the correct answer.