Solid State Question 26
Question: In the laboratory, sodium chloride is made by burning sodium in the atmosphere of chlorine. The salt obtained is yellow in colour. The cause of yellow colour is:
Options:
A) Presence of $ N{{a}^{+}} $ ions in the crystal lattice
B) Presence of $ C{{l}^{-}} $ ions in the crystal lattice
C) Presence of electrons in the crystal lattice
D) Presence of face centred cubic crystal lattice.
Show Answer
Answer:
Correct Answer: C
Solution:
[c] Due to presence of F-centres.