NEET2005ChemistryRedox ReactionsActual
The number of moles of KMnO ₄ reduced by one mole of KI is alkaline medium is:
Options
- Aone
- Btwo
- Cfive
- Done fifth
Correct answer
B. two
Step-by-step solution
In alkaline medium: Related Theory In acidic medium: MnO ₄⁻+8 H ⁺+5 e⁻ Mn ₂+4 H ₂ O In basic medium: MnO ₄⁻+e⁻ MnO ₄²⁻ In neutral medium: MnO ₄⁻+4 H ⁺+3 e⁻ MnO ₂+2 H ₂ O