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Q50 / 180 · AIIMS 2018 (27 May) · Chemistry

Q7 / 43 · AIIMS 2018 (27 May) · Chemistry · Solid State · Non-stoichiometric defects

F-centre is

  • Correct answer
    A
    anion vacancy occupied by unpaired electron
  • B
    anion vacancy occupied by paired electrons
  • C
    cation vacancy occupied by electron
  • D
    anion present in interstitial site.

Hence, the correct answer is option: 'A'.

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