Which of the following is incorrectly matched?

  • A
    $I_4O_9 \rightleftharpoons I^{3+} + 3IO_3^-$
  • B
    $I_2O_4 \rightleftharpoons IO^{+} + IO_3^-$
  • C
    $CsBr_3 \rightleftharpoons Cs^{+} + Br_3^-$
  • D
    None of these

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