WAEC Chemistry 2023 Objective — Question 10
Question 10 of 50 from the West African Examinations Council (WAEC) Chemistry 2023 Objective paper, with the correct answer and a full explanation.
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The best indicator to use for the titration of ethanoic acid with sodium hydroxide is
- A. methyl red
- B. methyl orange
- C. phenolphthaleinCorrect
- D. screened methyl orange
Explanation
A titration involving a weak acid (such as ethanoic acid) and a strong base (such as sodium hydroxide) requires phenolphthalein as the indicator.
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