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)
Correct Answer: D
Solution :
[d] Phenolphthalein is an indicator if the baseos strong, because strong base immediately changes the pH at end point.You need to login to perform this action.
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