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The flame colours of metals ions are due to
Options
(a) Frenkel deffect
(b) Schottky defect
(c) Metal deficiency defect
(d) Metal excess defect
Correct Answer:
Metal excess defect
Explanation:
The flame colours of metal ions are due to metal excess defect. These type of crystals are generally coloured.This is due to the presence of free electrons. These electrons get excited easily to higher energy levels by absorption of certain wave lengths from the visible light and therefore, the compounds appear coloured.
Related Questions: - When Cl₂ gas reacts with hot and concentration sodium hydroxide solution,
- Which one of the following statements is not true
- If N and S both are present in an organic compound then during Lassaigne’s test,
- The charge on the central metal ion in the complex[Ni(CO)₄] is
- Which is weakest acid
Topics: Solid State and Solutions
(91)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When Cl₂ gas reacts with hot and concentration sodium hydroxide solution,
- Which one of the following statements is not true
- If N and S both are present in an organic compound then during Lassaigne’s test,
- The charge on the central metal ion in the complex[Ni(CO)₄] is
- Which is weakest acid
Topics: Solid State and Solutions (91)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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