Solid State - Result Question 30
Assertion and Reason
Read the following questions and answer as per the direction given below :
(a) Statement I is correct Statement II is correct Statement II is the correct explanation of Statement I
(b) Statement I is correct Statement II is correct Statement II is not the correct explanation of Statement I
(c) Statement I is correct Statement II is incorrect
(d) Statement I is incorrect Statement II is correct
30.
Statement I In any ionic soid $(M X)$ with Schottky defects, the number of positive and negative ions are same.
Statement II Equal numbers of cation and anion vacancies are present.
$(2001,1 M)$
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Answer:
Correct Answer: 30. (a)
Solution:
- In ionic solid $M X$ (1:1 solid) same number of $M^{n+}$ and $X^{n-}$ ions are lost in Schottky defect to maintain electroneutrality of solid.