Which method of purification is represented by the following equation?
$Ti_{(s)} + 2I_{2(g)}$ $\xrightarrow{523 \ K} TiI_{4(g)}$ $\xrightarrow{1700 \ K} Ti_{(s)} + 2I_{2(g)}$

  • A
    Zone refining
  • B
    Cupellation
  • C
    Polling
  • D
    Van Arkel

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