The color of metal ions in flame is due to wh | vedclass

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(D) The color of metal ions in a flame is due to the presence of $F$-centers. These $F$-centers are formed due to metal excess defect,where anionic si

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Metal excess defect

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(D) The color of metal ions in a flame is due to the presence of $F$-centers. These $F$-centers are formed due to metal excess defect,where anionic sites are occupied by unpaired electrons. When these electrons absorb energy from the visible light,they get excited and emit radiation in the visible region,which imparts color to the flame.

The color of metal ions in flame is due to which of the following?

Similar Questions

Assertion: In an ionic solid $(MX)$,Schottky defect contains an equal number of cations and anions.
Reason: Equal number of vacancies are present for both cations and anions.

Which of the following compounds is likely to show both Frenkel and Schottky defects in its crystalline form?

Select the incorrect statement.

$ZnO$ shows yellow colour on heating due to:

Which is the incorrect statement?

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