JEE Main 2014 — Solid State Question with Solution
JEE Main 2014 (11 Apr Online)
Question
The appearance of colour in solid alkali metal halides is generally due to:
Choose an option
Show full solutionCorrect option: D
Correct answer
DF-centres
Step-by-step explanation
The appearance of colour in alkali metal halides is generally due to F-centres. F centers in produce a band of optical absorption towards the blue end of visible
spectrum, thus the colour appears yellow under transmitted light. On the other hand, with -centers appears magenta, and appears blue.
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This is a previous-year question from JEE Main 2014, covering the Solid State chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.