Question

Zinc oxide crystals on heating acquires the formula zn1+xo . Give reason

Answer 1

because on heating it turns yellow.On heating it shows metal excess intrinsic defect.

ZNO---->Zn²⁺  + 1/2 O₂ + 2e
along with this water molecule seperate out

Answer 2

All metalOxides on heating get their water molecules separated and the metal separated
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