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Heating ZnO becomes yellow in colour …

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Heating ZnO becomes yellow in colour .why?

    • Posted by Rajan Pathak 7 years, 8 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Uday Pratap 7 years, 8 months ago

    If ZnO is heated then Zn two +ve is formed with 2 electron and oxygen removed in the form of Dioxygen and Zn two +ve and 2 electron deposit at interstitial site. These 2electron behaves as F-center and it becomes yellow in colour.

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