Solid State - JEE Main Previous Year Questions with Solutions

eSaral Academic and Editorial Team
JEE Main Previous Year Papers Questions of Chemistry with Solutions are available at eSaral. Practicing JEE Main chapter wise questions of Chemistry will help the JEE aspirants in realizing the question pattern as well as help in analyzing weak & strong areas. Simulator Previous Years AIEEE/JEE Mains Questions [esquestion] The edge length of a face centered cubic cell of an ionic substance is 508 pm. If the radius of the cation is 110 pm, the radius of the anion is :- (1) 144 pm (2) 288 pm (3) 398 pm (4) 618 pm #tag# Aieee-10 #sol# (1) radius of cation = 110 pm if cation present 2n OV $a=2\left(r_{+}+r_{-}\right)$ 508 = 2[110 + x] x = 144 pm [/esquestion] [esquestion] Percentages of free space in cubic close packed structure and in body centered packed structure are respectively :- (1) 48% and 26% (2) 30% and 26% (3) 26% and 32% (4) 32% and 48% #tag# Aieee-10 #sol# (3) Theory Based [/esquestion] [esquestion] Copper crystallises in fcc lattice with a unit cell edge of 361 pm. The radius of copper atom is:- (1) 181 pm (2) 108 pm (3) 128 pm (4) 157 pm #tag# Aieee-11 / JEE-Main-ONLINE 2013 #sol# (3) [/esquestion] [esquestion] In a face centred cubic lattice, atom A occupies the corner positions and atom B occupies the face centre positions. If one atom of B is missing from one of the face centred points, the formula of the compound is :- (1) $\mathrm{A}_{2} \mathrm{B}_{3}$ ( 2) $\mathrm{A}_{2} \mathrm{B}_{5}$ (3) $\mathrm{A}_{2} \mathrm{B}$ (4) $\mathrm{AB}_{2}$ #tag# Aieee-11 / JEE-Main-ONLINE 2014 #sol# (2) [/esquestion] [esquestion] Lithium forms body centred cubic structure. The length of the side of its unit cell is 351 pm. Atomic radius of the lithium will be :- (1) 152 pm (2) 75 pm (3) 300 pm (4) 240 pm #tag# Aieee-12 #sol# (1) [/esquestion] [esquestion] The radius of a calcium ion is 94 pm and of the oxide ion is 146 pm. The possible crystal structure of calcium oxide will be :- (1) Octahedral (2) Tetrahedral (3) Pyramidal (4) Trigonal #tag# Jee-Main (online)-12 #sol# (1) [/esquestion] [esquestion] Ammonium chloride crystallizes in a body centred cubic lattice with edge length of unit cell of 390 pm. If the size of chloride ion is180 pm, the size of ammonium ion would be: (1) 158 pm (2) 174 pm (3) 142 pm (4) 126 pm #tag# Jee-Main (online)-12 #sol# (1) [/esquestion] [esquestion] A solid has 'bcc' structure. If the distance of nearest approach between two atoms is 1.73 Å, the edge length of the cell is :- (1) 314.20 pm (2) 216 pm (3) 200 pm (4) 1.41 pm #tag# Jee-Main (online)-12 #sol# (3) [/esquestion] [esquestion] Among the following the incorrect statement is :- (1) Density of crystals remains unaffecfted due to Frenkel defect (2) In BCC unit cell the void space is 32% (3) Electrical conductivity of semiconductors and metals increases with increase in temperature (4) Density of crystals decreases due to Schottky defect #tag# Jee-Main (online)-12 #sol# (3) Theory Based [/esquestion] [esquestion] In a face centred cubic lattice, atoms of A form the corner points and atoms of B form the face centred points. If two atoms of A are missing from the corner points, the formula of the ionic compound is (1) $\mathrm{AB}_{2}$ ( 2) $\mathrm{AB}_{3}$ (3) $\mathrm{AB}_{4}$ (4) $\mathrm{A}_{2} \mathrm{B}_{5}$ #tag# Jee-Main (online)-13 #sol# (3) [/esquestion] [esquestion] Which one of the following statements about packing in solids is incorrect ? (1) Void space in ccp mode of packing is 26% (2) Coordination number in hcp mode of packing is 12 (3) Void space in hcp mode of packing is 32% (4) Coordination number in bcc mode of packing is 8 #tag# Jee-Main (online)-13 #sol# (3) Theory based [/esquestion] [esquestion] An element having an atomic radius of 0.14 nm crystallizes in an fcc unit cell. What is the length of a side of the cell ? (1) 0.96 nm (2) 0.4 nm (3) 0.24 nm (4) 0.56 nm #tag# Jee-Main (online)-13 #sol# (2) [/esquestion] [esquestion] Expermentally it was found that a metal oxide has formula $\mathrm{M}_{0.98} \mathrm{O}$. Metal M, is present as $\mathrm{M}^{2+}$ and $\mathbf{M}^{3+}$ in its oxide. Fraction of the metal which exists as $\mathrm{M}^{3+}$ would be :- (1) 7.01% (2) 4.08% (3) 6.05% (4) 5.08 #tag# Jee-Main (offline)-13 #sol# (2) [/esquestion] [esquestion] The total number of octahedral void(s) per atom present in a cubic close packed structure is :- (1) 1 (2) 2 (3) 3 (4) 4 #tag# Jee-Main (online)-14 #sol# (1) Theory based [/esquestion] [esquestion] In a monoclinic unit cell, the relation of sides and angles are respectively (1) $\mathrm{a} \neq \mathrm{b} \neq \mathrm{c}$ and $\alpha \neq \beta \neq \gamma \neq 90^{\circ}$ (2) $a \neq b \neq c$ and $\beta=\gamma=90^{\circ} \neq \alpha$ (3) $a=b \neq c$ and $\alpha=\beta=\gamma=90^{\circ}$ (4) $a \neq b \neq c$ and $\alpha=\beta=\gamma=90^{\circ}$ #tag# Jee-Main (online)-14 #sol# (2) Theory based [/esquestion] [esquestion] The appearance of colour in solid alkali metal halides is generally due to : (1) Frenkel defect (2) F-centres (3) Schottky defect (4) Interstitial position #tag# Jee-Main (online)-14 #sol# (2) Theory based [/esquestion] [esquestion] CsCl crystallises in body centred cubic lattice. if 'a' is its edge length then which of the following expression is correct : (1) $\mathrm{r}_{\mathrm{Cs}^{+}}+\mathrm{r}_{\mathrm{Cl}^{-}}=\frac{\sqrt{3}}{2} \mathrm{a}$ (2) $\mathrm{r}_{\mathrm{Cs}^{+}}+\mathrm{r}_{\mathrm{Cl}^{-}}=\sqrt{3} \mathrm{a}$ (3) $\quad \mathrm{r}_{\mathrm{Cs}^{+}}+\mathrm{r}_{\mathrm{Cl}^{-}}=3 \mathrm{a}$ (4) $\mathrm{r}_{\mathrm{Cs}^{+}}+\mathrm{r}_{\mathrm{Cl}^{-}}=\frac{3 \mathrm{a}}{2}$ #tag# Jee-Main (offline)-14 #sol# (1) [/esquestion] [esquestion] A metal crystallises in a face centred cubic structure. If the edge length of its unit cell is 'a', the closest approach between two atoms in metallic crystal will be :- (1) 2a (2) $2 \sqrt{2} \mathrm{a}$ (3) $\sqrt{2} \mathrm{a}$ (4) $\frac{\mathrm{a}}{\sqrt{2}}$ #tag# JEE - Main 2017 #sol# (4) [/esquestion] [esquestion] Which type of 'defect' has the presence of cations in the interstitial sites ? (1) Vacancy defect (2) Frenkel defect (3) Metal deficiency defect (4) Schottky defect #tag# JEE - Main 2018 #sol# (2) In Frenkel defect, some of ion (usually cation due to their small size) missing from their correct position and occupies position in interstitial. [/esquestion]









Once you've revised Solid State, the JEE Mains PYQs chapter wise index makes it easy to continue with the next topics.
Once Solid State feels comfortable, benchmark yourself against a real paper using our JEE Main previous year question paper.

Team eSaral
eSaral Academic and Editorial Team
Team eSaral is the collective author profile for educational content created by eSaral’s teachers and academic contributors. The team draws on expertise from IIT graduates, doctors, experienced educators and subject specialists to develop resources for JEE, NEET and school students. Our articles aim to explain concepts clearly and help students study with confidence.
Related Posts

BITSAT 2027: Registration Date, Exam Date, Syllabus, Eligibility, Pattern & Fees
BITSAT 2027 exam dates, registration timeline, eligibility criteria, exam pattern, marking scheme, syllabus and fees in one page.

BITSAT Previous Year Question Paper PDF (2017-2026)
Download BITSAT previous year question papers PDF from 2017 to 2026,session-wise. Memory-based papers,exam pattern, paper analysis and how to practise

CBSE Class 10 Date Sheet 2027: Expected Exam Dates, Release Date, Admit Card & Result Timeline
CBSE Class 10 date sheet 2027 is awaited. See the expected exam dates, release window, how to download the PDF, admit card and result timelines.

NCERT Physics Class 10 Book PDF in Hindi 2026-27 – भौतिक विज्ञान के 4 अध्याय (Free Download)
NCERT Physics Class 10 book PDF in Hindi 2026-27: download all 4 chapters (अध्याय 9–12) free, with topics and important formulas.

NCERT Biology Class 9 Book Anveshan PDF in Hindi - जीव विज्ञान कक्षा 9 पुस्तक अन्वेषण PDF
Download NCERT Biology Class 9 book PDF in Hindi chapterwise for 2026-27: Cell, Tissues, Reproduction and Diversity. Free PDFs.
-1.webp?2026-10-02T10%3A55%3A05.572Z)
Essay On Artificial Intelligence in English (100,150, 200, 250, 300, 500 Words)
This is in contrast to the natural intelligence of humans. With Artificial Intelligence, machines can perform

Essay on 78th India Independence Day in English for Student (100, 150, 200, 250, 300, 500 Words)
Read the best essays on India's Independence Day in English. Short & long essays (100, 150, 200, 250, 300, 500 words) perfect for school exams
NCERT Class 11 English Snapshots book - Free PDF download- Esaral
Download NCERT Class 11 English Snapshots book PDF for free. Get all 8 chapters, chapter-wise. Start your prep today!
NCERT Class 10 biology book pdf - Free PDF Download - eSaral
NCERT Class 10 Biology book PDF 2026-27: all 5 chapters (Life Processes to Our Environment) in English & Hindi, with CBSE syllabus, marks & practical

Essay on Global Warming in English (100,150, 200, 250, 300, 500 Words)
Global warming means the Earth is getting hotter. This happens because of things like pollution from cars and factories.
