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Grade 11Discuss with colleagues and IITians

Why KMnO₄itself acts as a self-indicator and why should we use methyl oraange indicator in the NaOH Vs. HCl,Na₂CO₃ Vs. HCl?

Hima sankar

10 Years agoGrade 11

1 Answer

Kishorkumar

Approved Tutor Answer10 Years ago

KMnO₄ acts as the self indicator since during the thermal exposure KMnO₄ decomposes into ions K⁺ and MnO₄⁻ .Then the anion acts as the indicator for itself. That’s it. Sankri.................!

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