JEE Mains · Chemistry · STD 11 - 7. Redox reactions
Identify the process in which change in the oxidation state is five :
- A \(\mathrm{C}_{2} \mathrm{O}_{4}^{2-} \rightarrow 2 \mathrm{CO}_{2}\)
- B \(\mathrm{CrO}_{4}^{2-} \rightarrow \mathrm{Cr}^{3+}\)
- C \(\mathrm{Cr}_{2} \mathrm{O}_{7}^{2-} \rightarrow 2 \mathrm{Cr}^{3+}\)
- D \(\mathrm{MnO}_{4}^{-} \rightarrow \mathrm{Mn}^{2+}\)
Answer & Solution
Correct Answer
(D) \(\mathrm{MnO}_{4}^{-} \rightarrow \mathrm{Mn}^{2+}\)
Step-by-step Solution
Detailed explanation
\(\underset{(+7)}{\mathrm{MnO}_{4}^{-}} \rightarrow \underset{(+2)}{\mathrm{Mn}^{2+}} 5 \mathrm{e}^{-}\)change
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