The nonionized form of an acid indicator is yellow, and its anion is blue. The Ka of this indicator is 10-5. What will be the color of the indicator in a solution of pH 5?
a. red
b. orange
c. yellow
d. green
e. blue
Answer: D
The nonionized form of an acid indicator is yellow, and its anion is blue. The Ka of this indicator is 10-5. What will be the color of the indicator in a solution of pH 5?
a. red
b. orange
c. yellow
d. green
e. blue
Answer: D