NEET2015ChemistryRedox ReactionsActual
When KMnO ₄ acts as an oxidising agent and ultimately forms MnO ₄²⁻, MnO ₂, Mn ₂ O ₃ and Mn ²⁺ , then the number of electrons transferred in each case respectively are
Options
- A1,3,4,5
- B3,2,1,4
- C1,5,3,7
- D4,3,2,1
Correct answer
A. 1,3,4,5
Step-by-step solution
+7 KMnO ₄ +6 MnO ₄²⁻ Transferred electron =1 gathered +7 KMnO ₄ gathered +4 MnO ₂ Number of transferred electrons =3 +7 KMnO ₄ +3 Mn ₂ O ₃ Number of transferred electrons =4 +7 KMnO ₄ Mn ²⁺ Number of transferred electrons =5