Question

(i) What type of non-stoichiometric point defect is responsible for the pink colour of LiCl?
(ii) What type of stoichiometric defect is shown by NaCl?
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Answer 1

Answer:

(i) The metal excess defect caused by anionic vacancies is responsible for the pink colour of LiCl.

(ii) The Schottky defect is found in NaCl. In this defect, an equal number of cations and anions are missing from their regular sites.

Explanation:

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Answer 2

Answer:stoichiometric

Explanation:(a) stoichiometric defect : The Schottky defects are seen in NaCl. The defects are created when the same number of Cl− and Na+ is missing from their position in the lattice and creating holes.