Question

महत्वपूर्ण बोधात्मक प्रश्न
प्रश्न 1. साधारण नमक कभी-कभी रंगहीन होने के स्थान पर पीला दिखता है, क्यों?
CON
$11255 \frac{35122}{?} \times \frac{?}{?}$
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Answer 1

Answer:

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Explanation:

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The yellow colour of sodium chloride crystals is due to metal excess defect. In this defect, the unpaired electrons get trapped in anion vacancies.... The'yellow colour results by excitation of these electrons when they absorb energy from the visible light falling on the crystals....