Indicators used in acid-base titrations are
Direct Answer
Option C: weak organic acids or weak organic bases
Acid-base indicators are typically weak organic acids or weak organic bases. They function by exhibiting different colors in their protonated and deprotonated forms, allowing for a visual determination of the equivalence point during titrations by sensing pH changes.
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Detailed Explanation & Context
Acid-base indicators are typically weak organic acids or weak organic bases. They function by exhibiting different colors in their protonated and deprotonated forms, allowing for a visual determination of the equivalence point during titrations by sensing pH changes.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Chemical Tanker Cargo Operations (CHEMCO).
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