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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 common oxidation state shown by lanthanides in their compounds is
- Benzaldehyde + NaOH produces which of the following
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Topics: Solid State and Solutions
(91)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The common oxidation state shown by lanthanides in their compounds is
- Benzaldehyde + NaOH produces which of the following
- Unpleasent smelling carbylamines are formed by heating alkali and chloroform with
- Which of the following materials is used in high temperature thermometers
- An atom has electronic configuration 1s²2s²2p⁶3s²3p⁶3d³4s², you will place it in
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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