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AIIMS 2015
Exam
AIIMS
Year
2015
Subject
Chemistry
Chapter
Solid State

AIIMS 2015 · Chemistry · Solid State

The yellow colour in NaCl crystals is due to

The yellow colour in NaCl\mathrm{NaCl} crystals is due to

Options

  1. Aexcitation of electrons in F-centres
  2. Breflection of light from Cl−\mathrm{Cl}^{-}ions on the surface
  3. Crefraction of light from Na+\mathrm{Na}^{+}ions
  4. Dall of the above.

Correct answer

A. excitation of electrons in F-centres

Step-by-step solution

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