Multiple choice

The indicator used for the titration of sodium hydroxide with hydrochloric acid is ____.

  1. methyl orange

  2. phenolphthalein

  3. both 1 and 2

  4. neither 1 and 2
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Both methyl orange and phenolphthalein are suitable indicators for a strong acid-strong base titration like HCl and NaOH. They provide sharp color changes at the equivalence point.

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