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Surface Chemistry question

2015 · Shift 2 · Q4
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Surface Chemistry question

2015 · Shift 2 · Q4

JEE AdvancedChemistrySurface ChemistryMultiple correct+4 / −2
When O2O_2O2​ is adsorbed on a metallic surface, electron transfer occurs from the metal to O2O_2O2​. The true statement(s) regarding this adsorption is(are)
  1. A
    O2O_2O2​ is physisorbed
  2. B
    Heat is released
  3. C
    Occupancy of π2p∗\pi _{2p}^*π2p∗​ of O2O_2O2​ is increased
  4. D
    Bond length of O2O_2O2​ is increased
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