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  • . Total charge required to reduce 1 mole of<img alt="Cr_2O{_{7}}^{2-} to \;Cr^{3+ }" src="https://entrancecorner.oncodecogs.com/gif.latex?Cr_2O%7B_%7B7%7D%7D%5E%7B2-%7D%20to%20%5C%3BCr%5E%7B3&p

. Total charge required to reduce 1 mole ofCr_2O{_{7}}^{2-} to \;Cr^{3+ }ions is

Option: 1

6 F


Option: 2

3 F


Option: 3

2 F


Option: 4

5 F


Answers (1)

best_answer

Answer (1) Cr_2O{_{7}}^{2-}+ 6e^{-}+ 14H^{+} \rightarrow 2Cr^{3+}+7H_2O ,6F charge required

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manish

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