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Why Zno turn to yellow

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Why Zno turn to yellow

Posted by Divya Goyal 6 years, 9 months ago

CBSE > Class 12 > Chemistry

5 answers

Naresh Vishwakarma 6 years, 9 months ago

#Ans :- On heating Zno due to metal excess defect extra Zn+ ions form which result in yellow colour.

Anurag Yadav 6 years, 9 months ago

And also +2e-

Anurag Yadav 6 years, 9 months ago

Zno------(heat)-------Zn^2+ + 1/2 O2

Go Pi 6 years, 9 months ago

Write that eq. too

Go Pi 6 years, 9 months ago

Because Oxygen escapes

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