For the redox reaction
$C r_{2} O_{7}^{2 -} + F e^{2 +} + H^{+} \to C r^{3 +} + F e^{3 +} + H_{2} O$
The correct coefficients of the following for the balanced reaction are

F e^{2 +} - 6; H^{+} - 14; H_{2} O - 7

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F e^{2 +} - 7; H^{+} - 6; H_{2} O - 14

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F e^{2 +} - 7; H^{+} - 14; H_{2} O - 6

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F e^{2 +} - 14; H^{+} - 7; H_{2} O - 6

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Solution

The correct option is A $F e^{2 +} - 6; H^{+} - 14; H_{2} O - 7$
$C r_{2} O_{7}^{- 2} + 14 H^{+} + 6 F e^{2 +} \to 2 C r^{3 +} + 6 F e^{3 +} + 7 H_{2} O$

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Similar questions

C r_{2} O_{7}^{2 -} + F e^{2 +} + H^{+} \to C r^{3 +} + F e^{3 +} + H_{2} O

C r_{2} O_{7}^{2 -} + F e^{2 +} + H^{+} \to C r^{3 +} + F e^{3 +} + H_{2} O

C r_{2} O_{7}^{2 -} + H^{+} + I^{-} \to C r^{3 +} + I_{2} + H_{2} O

C r_{2} O_{7}^{2 -} + F e_{2}^{+} + H^{+} \to C r^{3 +} + F e^{3 +} + H_{2} O

M n O^{4 -} + S O_{3}^{2 -} + H^{+} \to M n^{2 +} + S O_{4}^{2 -} + H_{2} O

M n O^{4 -} + H^{+} + B r^{-} \to M n^{2 +} + B r_{2} + H_{2} O

N O_{3}^{-} + F e^{2 +} + H^{+} \to N O + F e^{3 +} + H_{2} O

C r_{2} O_{7}^{2 -} + F e^{2 +} \to C r^{3 +} + F e^{3 +}

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