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The value of n in the following equation if balanced 2Cr³⁺ + nFe³⁺ + 7H₂O

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answer is D.

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Detailed Solution

For a balanced chemical reaction, the total charge on the reactant side must be equal to the total charge on the product side.

∴ Total charge on reactant side = total charge on the product side

⇒(−2)+14×(+1)+n×(+2)=2×(3+)+n×(3+)

⇒ −2+14+2n=6+3n

⇒ n=6

Hence, the value of n for the given reaction is 6.

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