Per NCERT Problem 7.9, the balanced reaction of MnO₄⁻ with Br⁻ in BASIC medium gives MnO₂ and which Br species?
ABrO₃⁻
BBrO⁻
CBr⁻
DBr₂
Answer & Solution
Correct answer: A. BrO₃⁻
NCERT Problem 7.9: 2 MnO₄⁻ + Br⁻ + H₂O → 2 MnO₂ + BrO₃⁻ + 2 OH⁻. Mn 7→4, Br −1→+5.
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