1. Tardigrade
  2. Question
  3. Chemistry
  4. I. Those point defects that do not disturb the stoichiometry of the solid are called stoichiometric defects. II. These are also called intrinsic or thermodynamic defects. III. For ionic solids these are of two types, vacancy and interstitial defects. Which of these statement(s) is/are correct?

Q. I. Those point defects that do not disturb the stoichiometry of the solid are called stoichiometric defects.
II. These are also called intrinsic or thermodynamic defects.
III. For ionic solids these are of two types, vacancy and interstitial defects.
Which of these statement(s) is/are correct?

 54  150 The Solid State Report Error

Solution:

Vacancy and interstitial defects are the two types of stoichiometric defects observed in non-ionic solids.
In case of ionic solids, there defects are called Schottky defect and Frenkel defect.
Other two statements are true.