JEE Main 2020 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 8 January 2020, Shift 2, Chemistry Q31

Question 31 of 75 in this shift, Chemistry question 6 of 25, Section A.

Which of the following compounds is likely to show both Frenkel and Schottky defects in its crystalline form ?

(1) $\mathrm{ZnS}$
(2) $\mathrm{CsCl}$
(3) $\mathrm{KBr}$
(4) $\mathrm{AgBr}$ Official answer

Official answer

Option 4

NTA final key (Jan 2020).

Chapter: The Solid State
Topic: Solid State Defects
Idea tested: AgBr Dual Defect Exception

Same topic in other shifts

All Solid State Defects questions

6 Apr 2024, Shift 1 · Q64Which of the following material is not a semiconductor.EasySingle correct
31 Jan 2024, Shift 2 · Q84The values of conductivity of some materials at 298.15 K in Sm $^{-1}$ are $2.1 \times 10^{3}$ , $1.0 \times 10^{-16}$ , $1.2 \times 10$ ,…MediumNumerical value
27 Jun 2022, Shift 1 · Q81Metal deficiency defect is shown by $\mathrm{Fe_{0.93}O}$ . In the crystal, some $\mathrm{Fe^{2+}}$ cations are missing and loss of…MediumNumerical value
28 Jun 2022, Shift 1 · Q61The incorrect statement about the imperfections in solids is :EasySingle correct
4 Aug 2021, Shift 1 · Q31Match List I with List II List I List II A. Frenkel defect I. CsCl B. Schottky defect II. Pink LiCl C. Impurity defect III. ZnS D. Metal…MediumMatch the list
26 Aug 2021, Shift 1 · Q31Given below are two statements : Statement I : Frenkel defects are vacancy as well as interstitial defects. Statement II : Frenkel defect…EasyTwo statements

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.