Which of the following statements is incorrect? a.
A solution of sodium phosphate will have a pH of less than 7.
b.
A solution of potassium bromide will have a pH of 7.
c.
A solution of ammonium chloride will have a pH less than 7.
d.
A solution of cobalt(II) chloride will have a pH less than 7.
e.
Given that the Kb of ammonia is 1.8 x 10-5 and the Ka of hydrofluoric acid is 6.8 x 10-4, a solution of ammonium fluoride will have a pH of less than 7.