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JEE Main Chemistry Formulas 2025 - Topic wise Important Formulas

JEE Main Chemistry Formulas 2025 - Topic wise Important Formulas

Edited By Maniprabha Singh | Updated on Oct 11, 2024 02:21 PM IST | #JEE Main

JEE Main Chemistry Formulas 2025 - The Joint entrance exam is one of the most competitive exam of engineering entrance exams. It is divided into three subsections (Physics, Chemistry, Maths). In which Chemistry is an important subject for JEE Main preparation. Hence, having a list of important formulas for JEE Main Chemistry 2025 is necessary. Every aspirant should have the short notes for JEE Mains that comprise the important formulas. These JEE important formulas for Chemistry help in solving the typical problems easily. Therefore, experts of Careers360 have issued a list of JEE Main 2025 Chemistry. Download the JEE Main Chemistry Formulas E-Book below:
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JEE Main Chemistry Formulas 2025 - Topic wise Important Formulas
JEE Main Chemistry Formulas 2025 - Topic wise Important Formulas

JEE Main Chemistry Formulas 2025

There will be a total of 30 questions from Chemistry in JEE Main 2025, out of which 25 questions have been attempted. It is further segregated into Physical, Organic, and Inorganic sections. The maximum number of topics was reduced from this section (chemistry) only. This makes Chemistry easier than before. However, the high-weightage topics for JEE Main remain the same.

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Below are important formulas for JEE Main 2025 Chemistry that are helpful for both sessions. Candidates should solve as many Chemistry questions as they can and implement these formulas to remember them quickly. To crack the JEE Main exam with good marks, paste these formulas near the study table and memorize them.

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Most Important JEE Main Chemistry Formulas 2025

  • Atomic Structure

  • Redox Reaction and Electrochemistry

  • Chemical Thermodynamics

  • Coordination Compounds

  • d - and f - BLOCK ELEMENTS

  • GOC isomerism

  • Solutions

  • Alkyl halides and aryl halides

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Most Important Formulas for JEE Chemistry

\mathrm{c= \frac{distance}{time}= \frac{Wavelength}{Time \:Period}=\frac{\lambda}{T}}

\mathrm{\because\nu = \frac{1}{T}}

\mathrm{\therefore c = \nu \times \lambda}

(i) Work done in reversible isothermal process

\begin{array}{l}{\mathrm{W}=-2.303 \mathrm{nRT} \log _{10} \frac{\mathrm{V}_{2}}{\mathrm{V}_{1}}} \\ {\mathrm{W}=-2.303 \mathrm{nRT} \log _{10} \frac{\mathrm{P}_{1}}{\mathrm{P}_{2}}}\end{array}

(ii) Work done in irreversible isothermal process

\\ \mathrm{ Work =- P_{ext. } ( V _2-V _1 )} \\ \mathrm{That \ is, \ Work =- P \times \Delta V }

At T = 298 K, Nernst equation is given as follows:

\mathrm{E_{cell}\: =\: E^{o}_{cell}\: -\: \frac{0.059}{n}log_{10}Q}

\text {Mass by Volume } \% \text { of a component }=\frac{\text { Mass of the component }}{\text { Total volume of solution }} \times 100

Frequently Asked Questions (FAQs)

1. Which part of chemistry has many formulas ?

Chemistry has three subparts (Physical, inorganic and organic). Physical chemistry has many numericals based on different formulas.

2. Is the class 12 syllabus important for the JEE Main Exam ?

Yes, Class 12 syllabus carries more than 50% of weightage, so it is important for JEE Main Exam.

3. What is the JEE Mains ?

JEE Main is an exam conducted for those aspirants who want to take admission in NIITs, IITs and other engineering colleges, and it is also an eligibility test for JEE advance.

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Questions related to JEE Main

Have a question related to JEE Main ?

Hello aspirant,

The NCERT syllabus for classes 11 and 12 will serve as the foundation for the JEE Main 2026 syllabus. The JEE Main 2026 syllabus will include courses from the fields of mathematics, chemistry, and physics. The JEE Mains syllabus will be made available on NTA's official website, jeemain.nta.ac.in.

To know complete information, you can visit the following link:

https://engineering.careers360.com/articles/jee-main-2026#:~:text=The%20syllabus%20of%20JEE%20Main,.nta.ac.in.

Thank you

Hope it helps you

First of all EWS certificate or eligibility depends on family income if your family annual income is above 8 lakh it cannot be considered as economically weak and hence cannot fall under the economically weaker section (EWS).you cant claim EWS category seats.

For disqualification they just ask you for EWS certificate at the time of document verification if you are unable to produce the certificate your seat get cancelled thats it there is no legal action taken by thm dont worry.

Hello Ankita,

With a score of 150 in JEE Mains 2025, being an SC female candidate from Punjab , your chances of securing a seat in NIT Allahabad (Motilal Nehru National Institute of Technology) for the ECE branch can be moderate but not guaranteed. Here's a breakdown:

Factors Affecting Admission:

  1. SC Category Cut-off : The SC category cut-offs for top NITs like Allahabad are typically lower than the general category cut-offs, but still, NIT Allahabad is one of the top NITs, and competition remains high.

  2. Previous Trends : In recent years, the cut-off rank for SC candidates in NIT Allahabad for ECE (Electronics and Communication Engineering) ranged between 5,000 to 10,000 in the JEE Mains rank .

  3. Reservation Advantage : Being a female candidate also gives you an advantage due to female reservation in NITs.

    Estimated Outcome:

  • With a score of 150 , your rank could be in the range of 15,000-20,000 for the SC category , depending on the overall difficulty of the exam.

  • NIT Allahabad might require a rank under 10,000 in the SC category for ECE, so you may not get it in the first rounds , but waiting till the last rounds of counseling could increase your chances.

    Alternative Options:

  • If you do not get ECE in NIT Allahabad, you could still get other branches like Mechanical, Civil , or try other top NITs with similar cut-offs.



I would recommend you to use JEE college predictor tool by Careers360 to get the list of possible colleges you can get with your rank.

Here is the link to the tool:

https://engineering.careers360.com/jee-main-college-predictor?utm_source=qna&utm_medium=jee_cp

Click on the above link, fill the required details and you will get the list of possible colleges at your rank.


I hope this answer helps you. If you have more queries then feel free to share your questions with us we will be happy to assist you.

Thank you and wishing you all the best for your bright future.




Hello Nithin,

In Karnataka, the Kamma caste is generally classified as a forward community and does not fall under the OBC category. However, the specific classification can vary by state and institution. It's advisable to check the official JEE or state government guidelines or consult with the local education authorities to confirm your eligibility for OBC status in the JEE exam.

I hope this answer helps you. If you have more queries then feel free to share your questions with us we will be happy to assist you.

Thank you and wishing you all the best for your bright future.

Hello aspirant,

The first week of November 2024 will see the release of the JEE Main 2025 Application Form for Session I. The organization in charge of the JEE Main exam is the National Testing Agency (NTA). This test is required to be taken in order to be admitted to undergraduate engineering programs, such as B.Tech, B.E, B.Arch, and B.Plan.

For more information, please visit the following link:

https://engineering.careers360.com/articles/jee-main-application-form

Thank you

Hope it helps you

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