Chemistry - Solid State
Practise 12 WBJEE previous year questions on Solid State, compiled from papers spanning 2015 to 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty WBJEE tests.
Solid State has been asked in 11 of the 18 years of WBJEE papers analysed (2009–2026), with 12 questions in all. 75% of them were easy, 25% moderate and 0% tough. Most of its questions came from 2017, with 2 questions that year. In the last three years (2024–2026) it had 3 questions across 3 papers, about 1 per paper.
The chapter's 4 topics are not weighted equally: Cubic system (8 questions, 67%), Electrical and Magnetic properties (2 questions, 17%), and Stoichiometric defects (1 question, 8%) have been asked the most. Cubic system has also led over the last five years, with 3 questions.
- 1A compound contains two types of atoms A and B. Its crystal structure is a cubic lattice with 'A' atoms at the corner of the unit cells and 2026Cubic system
- 2If three elements crystalise in a cubic solid lattice with atoms at the cubic centres, atoms at the centre of edges and atoms at the corners2025Cubic system
- 3Metallic conductors and semiconductors are heated separately. What are the changes with respect to conductivity?2024Electrical and Magnetic properties
- 4What is the edge length of the unit cell of a body centred cubic crystal of an element whose atomic radius is \(75 {pm}\) ?2023Cubic system
- 5The number of atoms in body centred and face centred cubic unit cell respectively are2022Crystal Structure of Solids
- 6An element crystallizes in a body centred cubic lattice. The edge length of the unit cell is and the density of the element is . Calculate t2021Cubic system
- 7In the face-centred cubic lattice structure of gold the closest distance between gold atoms is ('a' being the edge length of the cubic unit 2020Cubic system
- 8A compound formed by elements and crystallises in the cubic structure, where atoms are at the corners of a cube and atoms are at the centre 2018Cubic system
- 9The ground state magnetic property of and molecules will be2017Electrical and Magnetic properties
- 10In a close-packed body-centred cubic lattice of potassium, the correct relation between the atomic radius of potassium and the edge-length o2017Cubic system
- 11Ionic solids with Schottky defect may contain in their structure2016Stoichiometric defects
- 12Suppose the mass of a single Ag-atom is . Ag metal crystallises in fcc lattice with unit cell of length . The density of Ag metal in terms o2015Cubic system
Frequently Asked Questions
1.How many questions are available for Solid State?
This chapter includes 12 questions compiled from WBJEE papers spanning 2015 to 2026.
2.Are these questions only from WBJEE, or from other exams too?
These are WBJEE questions specifically for the Solid State chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.
3.Is Solid State an important chapter for WBJEE Chemistry?
Solid State has appeared in 11 of the 18 years of WBJEE papers covered here, with 12 questions across 11 papers - about one per paper it appears in.
4.What is the difficulty level of Solid State questions in WBJEE?
Of the 12 questions analysed for this chapter, 75% are easy, 25% moderate and 0% tough. 2017 had the most, with 2 questions.
5.Which topics in Solid State should I focus on?
These topics have carried the most weightage in Solid State:
- Cubic system - 8 questions (67%)
- Electrical and Magnetic properties - 2 questions (17%)
- Stoichiometric defects - 1 question (8%)
6.Is Solid State's weightage in WBJEE going up or down?
Across all 11 papers analysed, Solid State has averaged about 1.1 questions per paper. In the last three years (2024–2026), that average has stayed about the same, at about 1.0 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.