{"@context":"https://schema.org/","@type":"Quiz","dateCreated":"2026-05-25T10:21:57.628Z","dateModified":"2026-05-25T10:21:57.628Z","typicalAgeRange":"11-18","educationalLevel":"GPAT","assesses":"Pharmacy - Pharmaceutical Analysis","educationalAlignment":[{"@type":"AlignmentObject","alignmentType":"educationalTopic","targetName":"Pharmaceutical Analysis"},{"@type":"AlignmentObject","alignmentType":"educationalSubject","targetName":"Pharmacy"},{"@type":"AlignmentObject","alignmentType":"educationalExam","targetName":"GPAT"}],"name":"Quiz about Pharmaceutical Analysis","about":{"@type":"Thing","name":"Pharmacy - Pharmaceutical Analysis"},"hasPart":[{"@type":"Question","eduQuestionType":"Multiple choice","learningResourceType":"Practice problem","educationalLevel":"intermediate","name":"Question About Pharmaceutical Analysis","text":"Potassium permanganate ($KMnO_{4}$) is called a self-indicator because:}","encodingFormat":"text/markdown","comment":{"@type":"Comment","text":"No extra indicator needed for Permanganate; the purple color does the job."},"suggestedAnswer":[{"@type":"Answer","position":0,"encodingFormat":"text/markdown","text":"

It forms a precipitate during titration

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":1,"encodingFormat":"text/markdown","text":"

It shows purple colour at the end point

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":2,"encodingFormat":"text/markdown","text":"

It works with starch indicator

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":3,"encodingFormat":"text/markdown","text":"

It is colourless
\n\n

","comment":{"@type":"Comment","text":"\"\""}}],"acceptedAnswer":{"@type":"Answer","position":1,"encodingFormat":"text/markdown","text":"

It shows purple colour at the end point

","comment":{"@type":"Comment","text":"No extra indicator needed for Permanganate; the purple color does the job."},"answerExplanation":{"@type":"comment","text":""}}}]}

Potassium permanganate ($KMnO_{4}$) is called a self-indicator because:

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The Correct Option is B

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