MCQ
Which of the following reaction is possible at anode?
  • $2Cr^{3+} + 7H_2O \rightarrow Cr_2O_7^{2-} + 14 H^+$
  • B
    $F_2 \rightarrow 2 F^-$
  • C
    $\frac{1}{2} O_2 + 2H^+ \rightarrow H_2O$
  • D
    None of these

Answer

Correct option: A.
$2Cr^{3+} + 7H_2O \rightarrow Cr_2O_7^{2-} + 14 H^+$
a

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