4. Which of the following sets of bonds is in order of increasing ionic character? (largest difference in electronegativity)
a. H + CI, Na + F, H +H
b. N + O, Li + CI, K + CI
c. K + CI, N +O, H + CI
d. K + Br, O + O, H + I

The following questions a24 - a26 relate to 100 ml of 0.0150 m solution of benzoic acid (c6h3cooh). ka(c6h3cooh) = 6.4 x 10^-5. what is the ph of the solution after the addition of 1 x 10^-3 moles of naoh? you may assume no volume change to the solution upon addition of the naoh.