In the laboratory, sodium chloride is made by burning sodium in the at – InterviewSolution

1.	In the laboratory, sodium chloride is made by burning sodium in the atmosphere of chlorine. The salt obtained is yellow is colour. The cause of yellow colour is
Answer» presence of`NA^(+)` ions in the crystal lattice presence of `Cl^(-)` ions in the crystal lattice presence OFELECTRONS in the crystal lattice presence of face CENTRED cubic crystal lattice. Solution :Yellow COLOUR on heating NaCl in presence of Na is due to presence ofelectrons in anion vacancies (F-Centre).

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