Equilibrium Question 755
Question: The best indicator for detection of end point in titration of a Weak acid and a strong base is
Options:
A) Methy1 orange (3 to 4)
B) Methy1 red (5 to 6)
C) Bromothymol blue (6 to 7.5)
D) Phenolphthalein (8 to 9.6)
Show Answer
Answer:
Correct Answer: D
Solution:
Phenolphthalein is an indicator if the baseos strong, because strong base immediately changes the pH at end point.
