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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: - The work done in expansion of an ideal gas from an initial volume v1 to a final v2
- Which one of the most reactive towards nucleophilic addition reaction
- What is kinetic energy of 1 g of O₂ at 47⁰C
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- When ethyl chloride and alcoholic KOH are heated, the compound obtained is
Topics: Solid State and Solutions
(91)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The work done in expansion of an ideal gas from an initial volume v1 to a final v2
- Which one of the most reactive towards nucleophilic addition reaction
- What is kinetic energy of 1 g of O₂ at 47⁰C
- Which of the following statement about the member of any one homologous series
- When ethyl chloride and alcoholic KOH are heated, the compound obtained is
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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