When an iron rod is subjected towards an atmosphere having very high content of moisture, which of the…

When an iron rod is subjected towards an atmosphere having very high content of moisture, which of the process is predominant?
  1. Chemisorption
  2. Physisorption
  3. Sorption
  4. Luminescence

Solution

Iron gets rusted under moist atmospheric conditions to form hydrated ferric oxide (Fe2O3.xH2O). This is a surface phenomena called chemisorption.

Asked in: AP EAMCET 2020 (23 Sep Shift 1)

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