Which one has valency other than one?
Correct answer: A. Mn in KMnO₄
- A. Mn in KMnO₄
- B. K in KCl
- C. Br in Br₂O
- D. Na in NaCl
Explanation
Mn in KMnO₄: Manganese (Mn) in potassium permanganate (KMnO₄) exhibits a valency of +7. This is because oxygen has a valency of -2, and potassium has a valency of +1. To balance the charges, manganese needs to have a valency of +7.
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