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MHT-CET PCB 10 — MHT - CET STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceMHT - CETMHT-CET PCB 101 Mark
MCQ
Which of the following is INCORRECT?
  • A
    NaCl shows yellow colour due to the formation of f-centre.
  • ✓
    In substitutional impurity defect, the impurity atoms occupy interstitial spaces of lattice structure.
  • C
    Metal deficiency defect is possible only in compounds of metals that show variable oxidation states.
  • D
    $Zn _{1+x} O _{1.0}$ is an example of metal excess defect.
✓

Answer

Correct option: B.
In substitutional impurity defect, the impurity atoms occupy interstitial spaces of lattice structure.
B

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