When NaCl crystal is heated in sodium vapors, then it attains yellow colour. It is due toA. electrons trapped in cation vacanciesB. F-centres, which is electron trapped in anion vacancy created by `Cl^(-)`C. F-centres, which is cation trapped in cation vacancy created by `Na^(+)`D. interstitial defect caused by external impurity

When NaCl crystal is heated in sodium vapors, then it attains yellow c

1.	When NaCl crystal is heated in sodium vapors, then it attains yellow colour. It is due toA. electrons trapped in cation vacanciesB. F-centres, which is electron trapped in anion vacancy created by `Cl^(-)`C. F-centres, which is cation trapped in cation vacancy created by `Na^(+)`D. interstitial defect caused by external impurity
Answer» Correct Answer - B When NaCl crystal is heated in sodium vapors, then it attains yellow colour. It is due to F-centres, which is electron trapped in anion vacancy created by `Cl^(-)`

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