Multiple choice

_______ is used as a pH indicator in titrations.

  1. Martius yellow

  2. Methyl orange

  3. Methyl red

  4. Naphthol Green B

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Methyl orange is a pH indicator frequently used in titrations because of its clear colour change. As it changes colour at the pH of a mid-strength acid, it is usually used in titrations for acids.

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