In which one of the following changes there is transfer of five electrons:

Chemistry · NEET · NTA Exams — Redox Reactions

1. MnO₄^- → Mn²⁺
2. CrO₄^2- → Cr³⁺
3. MnO₄^- → MnO₂
4. Cr₂O₇^2- → 2Cr³⁺

Answer

(A) MnO 4 - → Mn 2 +

Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.

Related practice questions

• The gas X at 1 atm is bubbled through a solution containing a mixture of 1 M Y - and 1 M Z - at 25° C . If…
• Which is the best description of behaviour of bromine in the reaction given below? H _ 2 O + Br _ 2 HBr + HOBr
• During the disproportionation of I 2 to iodate and iodide ions, the ratio of iodate and iodide ions formed in…
• What is the equivalent weight of HNO 3 in the given reaction: 4Zn + 10HNO 3 → 4Zn(NO 3 ) 2 + NH 4 NO 3 + 3H 2…
• Given below are two statements: Statement I : In a reaction, Zn (5)+ CuSO _ 4 ( aq ) ZnSO _ 4 ( aq )+ Cu (5)…
• Given below are two statements: Statement I : The algebraic sum of the oxidation number of all the atoms in a…
• The oxidation number of phosphorus in Ba(H 2 PO 2 ) 2 is:
• Zn gives H 2 gas with H 2 SO 4 and HCl but not with HNO 3 because of:

More Redox Reactions questions · Browse all practice questions