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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.
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- Molecule in which the distance between the two adjacent carbon atoms is largest
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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
- PVC is polymer of
- Molecule in which the distance between the two adjacent carbon atoms is largest
- 1-bromopropane on treatment with ethanolic potassium hydroxide produces
- The gas which combin with haemoglobin to damage its oxygen carrying capacity is
- Which of the following will not be soluble in sodium hydrogen carbonate
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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