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Chemistry, accounting for a third of all questions in the national-level engineering entrance exam, the Joint Entrance Examination (JEE) Main, is often considered the most scoring of the three papers. In the JEE Main, every mark bears huge importance.
Conducted by the National Testing Agency (NTA) for admission to some of the top engineering colleges in the country such as National Institutes of Technology (NIT) – the JEE Main is intensely competitive. The last one, NTA JEE Main 2024 January session, was qualified by just 5.5 per cent of the total number of candidates who wrote it. But with careful preparation and the right strategy, it is possible to score very well in the subject.
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First, it is very useful to know what the JEE Main is like and then formulate the best suitable strategy. Questions from the previous year are a good way to assess the difficulty level of the JEE Mains. They can help in gaining a broader understanding of how important certain topics are from the perspective of the exam, and the difficulty level of the questions. Many of these topics are covered in Class 11 and Class 12 Chemistry NCERT textbooks.
Here’s an analysis of the JEE Main 2024 January session to help you prepare for the next exam.
Also Read,
The exam was held in 10 shifts and 300 questions from all those shifts were from Chemistry. Careers360 analysed all 300 questions and the tables below show how many questions came from each chapter in JEE Main 2024 January session.
JEE Main: Chemistry Questions
Chapter | Number of Questions |
Some Basic Principles of Organic Chemistry | 32 |
Hydrocarbons | 24 |
Redox Reaction and Electrochemistry | 21 |
Chemical Bonding and Molecular Structure | 20 |
Organic Compounds containing Oxygen | 19 |
Co-ordination Compounds | 17 |
Atomic Structure | 16 |
p- Block Elements | 16 |
d - and f - BLOCK ELEMENTS | 15 |
Some basic concepts in chemistry | 15 |
Equilibrium | 13 |
Purification and Characterisation of Organic Compounds | 13 |
Solutions | 13 |
Classification of Elements and Periodic table | 12 |
Chemical kinetics | 10 |
Chemical Thermodynamics | 10 |
Organic Compounds containing Halogens | 9 |
Biomolecules | 8 |
Organic Compounds Containing Nitrogen | 8 |
Principles Related to Practical Chemistry | 7 |
General Principle and Process of Isolation of metals | 1 |
Polymers | 1 |
Grand Total | 300 |
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The discipline of Chemistry is divided into Physics, Inorganic and Organic.
Given below is a list of concepts that are considered important from each of the three branches of Chemistry and the number of questions asked from each last year. Questions from these topics also tend to repeat.
JEE Main Syllabus: Physical Chemistry
Concept | Number of Questions |
Integrated rate equations | 21 |
Galvanic cells and Nearnst equation | 12 |
Colligative properties and Van't Hoff Factor | 11 |
Buffer Solutions | 7 |
Laws if Thermodynamics | 7 |
Quantum mechanical model of atom | 5 |
Stoichiometry, Stoichiometric Calculations | 4 |
JEE Main Syllabus: Inorganic Chemistry
Concept | Number of Questions |
Bonding in Coordination compounds | 14 |
General properties of the transition elements | 9 |
Some important compounds of halogens | 8 |
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JEE Main Syllabus: Organic Chemistry
Concept | Number of Questions |
Fundamental concepts in Organic reaction mechanism | 10 |
Chemical properties of haloalkanes and haloarenes | 10 |
Properties of amines | 9 |
Chemical reactions of aldehydes and ketones | 7 |
Now let us understand these concepts one by one.
Physical Chemistry is more analytical in nature and involves numerical and the application of various concepts in solving questions. It is a highly-scoring component of Chemistry. Questions are of easy-to-moderate difficulty level. Below mentioned are some of the most important topics for the JEE-Main exams.
This is an important topic from the chapter “Chemical Kinetics” in Class 12 NCERT. Integrated rate equation is the most important topic for understanding the kinetics of chemical reactions. Integrated rate equation relates to the concentrations of reactants or products to time, and helps in analysing the rate of reaction and time taken. For JEE Main, it is important to understand how to use the Integrated rate equation in determining reaction orders, rate constants, and half-life values. Numericals are asked from this topic which are doable if sufficient practice is done before examination.
From the Nernst Equation, important aspects are:
Galvanic Cells: Structure and components of galvanic cells (anode, cathode, salt bridge), Numerical based on finding the electrode potentials (E°) to predict cell spontaneity.
Nernst Equation: Students must understand the derivation of the Nernst equation and its application application for non-standard conditions. Questions are also from calculating the cell potential (E) at different concentrations and temperatures.
This topic belongs to the "Solutions" Chapter of NCERT class 12th. Students must focus on:
Colligative Properties: Understanding the concept of colligative properties which includes vapour pressure lowering, boiling point elevation, freezing point depression and how they depend on the concentration of solute (Molality). Numericals are asked from this topic which involves the different formulas for respective colligative proeties. (e.g., ΔTb = Kb ✖ m).
Van't Hoff Factor: A strong understanding of the definition of the Van't Hoff factor (i) is required as to is used in many numerical. Van't Hoff factor (I) is defined as the ratio of moles of particles in solution to moles of solute dissolved. Application Van't Hoff factor to predict the extent of dissociation of electrolytes in solution and its impact on colligative properties like freezing point depression or osmotic pressure is an important area of understanding.
Inorganic chemistry mainly deals with the behaviour of organometallic and inorganic compounds. It covers non-carbon chemical compounds. Below are some of the most important topics from this section.
Coordination compounds are the most important and scoring chapter of Inorganic Chemistry. Students must focus on Coordination Chemistry basics which involves understanding the concepts of coordination numbers, ligands, metal-ligand bonding (including dative bonding), and coordination geometries (e.g., octahedral, tetrahedral). Molecular Orbital Theory (MOT) is an important topic from which many questions are asked. The study of MOT to comprehend bonding and electronic structure in coordination complexes is important.
From this topic, students must focus on the chemical properties of Halogens and their various compounds. Reactions of important halogen compounds such as halogen acids (e.g., HCl, HBr), halogen oxides (e.g., Cl2O, Br2O), and interhalogen compounds (e.g., ClF3, BrF5) must be practised before the examination. Also, study of the molecular structures and bonding characteristics of these compounds to predict their physical and chemical properties is important.
If understood well, Organic Chemistry can pay rich dividends. The crux of Organic Chemistry lies in understanding the basic principles discussed in the chapter “Organic Chemistry- Basic Principles and Techniques’’. All the concepts are interrelated and hence, holistic understanding is a must.
This is the fundament chapter for understanding complete organic chemistry. If this chapter is understood well with all the concepts, the rest of the organic chemistry chapters become easy. Students must be well versed in electron movement which involves the understanding of electron flow in organic reactions, including mechanisms such as nucleophilic substitution (SN1 and SN2), elimination (E1 and E2), addition, and rearrangement reactions. A strong understanding of fundamental concepts like electrophiles, nucleophiles, leaving groups, carbocation stability, and reaction intermediates (e.g., carbocations, carbanions, radicals) is needed to score well in the examination.
This chapter mainly includes understanding nucleophilic substitution reactions (SN1 and SN2) and elimination reactions (E1 and E2) that haloalkanes undergo. Along with this focus must be on understanding the reactivity of haloarenes towards nucleophilic aromatic substitution reactions (e.g., Finkelstein reaction, Sandmeyer reaction).
For a detailed explanation of important concepts of Chemistry, visit - JEE Main Exam's High Scoring Chapters and Topics and download the E-Book for their reference.
Application Date:03 September,2024 - 19 February,2025
Hi,
To pursue Bachelor of Technology (B.Tech) after 12th, you need to appear in JEE MAINS, a National level entrance test conducted by NTA twice a year to offer candidates in B.Tech course.
If you are not prepared for JEE MAINS, you can appear in the AP EAMCET which is state level entrance test conducted in Andhra Pradesh to offer admission to B.Tech course in the Top engineering colleges in Andhra pradesh through AP EAMCET.
Hope this information will help you
Hello aspirant,
No, you cannot change the language of the JEE Main exam during the examination. Here are the key points:
Hope it helps !
JEE exam is conducted by NTA for admission to top IITs and NITs for different courses. Based on the previous year trends, for 2025,jee exam, students can expect the cut off between 90-95 percentile for general category students and 80-85 for OBC category and 55-60 for reserved categories. To know more,visit JEE cut off 2025
Ofcourse you can give both the exam JEE and GUJCET as JEE exam give admission to IIT, NIT, and GFTIs for B. Tech courses and GUJCET offers seats in the universities situated in Gujarat.by giving two exams you have more options of colleges to choose from for your b.tech course.
If you see Engineering Admission Process are like this
Josaa: This is JEE counselling process. This would Only admitted students on the basis of JEE Mains marks and would be considered for your rank.
ACPC: This is your state admission process which GUJCET marks along with PCM boards theory marks would be considered. 50% of college seats are given to ACPC.
Since you are interested in both JEE as well as GUJCET, I'd advice you to enroll through both the processes for good colleges and good branches.
Best of luck!!!
Hi,
To be eligible for the admission in Thapar University B. Tech programme, candidates must qualify the JEE Main exam, which will be followed by counselling and seat allocation.
The admission in Thapar University is done on the basis of the JEE Main rankings and category-wise cutoffs will be released separately for all the B. Tech courses.
To be eligible for JEE MAINS, candidate must passed 10+2 with minimum of 60% marks from a recognized board. Appearing students are also eligible for JEE MAINS.
Hope this information will help you
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