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  5. The Solid State / ठोस प्रावस्था

12th Class Chemistry The Solid State / ठोस प्रावस्था

  • question_answer 63)
      Which of the following oxides behaves as conductor or insulator depending upon temperature?                            (a) TiO                                   (b) SiO2          (c) Ti03                                  (d) MgO

    Answer:

                      (c) Certain metal oxides like VO2, VO, VO3 and TiO3 show metallic or insulating property depending upon temperature. As temperature varies metallic .or insulating property varies. This is due to variation in energy gap between conduction band and valence band.


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