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Chemistry - Redox Reactions Question with Solution | TestHub

ChemistryRedox ReactionsBalancing of Redox ReactionsMedium2 minQB

ChemistryMediumnumerical

$A O_{3}$ disproportionates into $A O_{4}^{-}$ and $A^{n +}$ ion. If the mole ratio of $A O_{3}$ undergoing oxidation and reduction is 2:1, the value of $n$ is

Answer:

4.00

Solution:

O.S. of A in $A O_{3}$ = +6. Oxidation: $A O_{3}$ $\to$ $A O_{4}^{-}$ (+6 $\to$ +7), loss of 1e. Reduction: $A O_{3}$ $\to$ $A^{n +}$ (+6 $\to$ +n), gain of (6-n)e. Balance: 2 × 1 = 1 × (6-n) $\Rightarrow$ $n$ = 4. Ans: 4.

Stream:JEESubject:ChemistryTopic:Redox ReactionsSubtopic:Balancing of Redox Reactions

⏱ 2mℹ️ Source: QB

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