प्रतिस्थापित फ़ीनॉलों की अम्ल सामर्थ्य पर आधारित प्रश्न (Acidic strength of substituted phenols)

Whole-channel inclusion: Khan Academy India - Hindi medium is an honest teaching channel (title sample + 3 transcripts read: All three transcripts show structured curriculum-based teaching (biology concepts and probability worked example), consistent with genuine educational content.); this title passed a strict title check (sonnet) after a labelling pass.

A 5-minute video from Khan Academy India - Hindi medium: “प्रतिस्थापित फ़ीनॉलों की अम्ल सामर्थ्य पर आधारित प्रश्न (Acidic strength of substituted phenols)”.

Video by Khan Academy India - Hindi medium, played through YouTube's embedded player.