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.