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.

$(2001,1 M)$

Show Answer

Answer:

Correct Answer: 30. (a)

Solution:

  1. 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.


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