Answer to Question #140505 in General Chemistry for Siv

Question

Which of these indicators is most appropriate for determining the end point of a titration involving a strong base, such as sodium hydroxide?

Methyl orange.

Phenolphthalein.

Universal.

Litmus.

Answer 1

Answer: Phenolphthaleine

(Because it changes colour at pH>7. It is most suitable for strong base titration)