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INChO Syllabus 2025 & Exam Pattern

The INChO Syllabus 2025 for the Indian National Chemistry Olympiad encompasses Chemistry topics of Class 11 and 12. Here are the details of the INChO Syllabus and Exam Pattern.
authorImagePriyanka Dahima14 Jan, 2025
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INChO Syllabus

INChO Syllabus 2025: The Indian National Chemistry Olympiad (INChO) conducted by the Homi Baba Science Education Centre (HBSEC) is a national-level examination for students in higher secondary school to identify and nurture young scientific talent in India. INChO Syllabus 2025 for candidates includes subjects from the Chemistry sections. INChO Syllabus 2025 contains CBSE Class 11 and 12 Chemistry Syllabus.

The INChO Examination is going to be held on 1st February 2025 and it is very important to go through the details of the INChO Syllabus 2025 and Exam Pattern. Once students know the curriculum, they may act vigilantly for the INChO Preparation.

INChO Previous Year Question Paper

INChO Syllabus 2025

This INChO syllabus covers the core subjects required for INChO 2025 and ensures a comprehensive understanding of various scientific concepts. Students should check carefully before applying for INChO 2025 and ensure that they meet all the eligibility criteria. The Indian National Chemistry Olympiad is the second step towards the International Chemistry Olympiad (ICO) selection process. This will help to avoid any problems that may arise during selection. You will be guided through the INChO Exam Pattern, question types and effective strategies. In the table below, we have provided an overview of the INChO Syllabus 2025.
INChO Syllabus 2025 Overview
Organization Homi Bhabha Centre for Science Education (affiliated with the Tata Institute of Fundamental Research – HBCSE)
Exam Name Indian National Chemistry Olympiad (INChO)
INChO 2025 Exam Date 1st February 2025 (1.30 pm to 4.30 pm)
Mode of Exam Pen and Paper Mode
Type of Questions Multiple Choice Questions
Official Website https://www.iapt.org.in/

INChO 2025

INChO 2025 Exam Pattern

The first two phases of the International Chemistry Olympiad will be combined into a single stage dubbed the Indian National Chemistry Olympiad under the new examination system. According to the IAPT, each test will consist of a single examination with two sections that will be taken in one sitting.
INChO Exam Pattern 2025
Duration of Exam Two hours
Test Paper Level/ Syllabus Is broadly equivalent to senior secondary level (up to and including Class XII) of CBSE India
Test Medium/ Language Question paper will be in English & Hindi (Option during registration). Type of questions – Objective type with multiple choices
Sections Two parts
Total Number of Questions 60 MCQs
Total Marks 216 Marks

INChO Syllabus

The INChO Syllabus 2025 is the same as last year. Students can use this as a starting point for their test preparation. To participate in INChO, students must have a degree in chemistry. They should start with the core subjects of class 7 to 10 in order to gain deep experience and understanding. The INChO Syllabus is similar to the modern CBSE syllabus. To strengthen the fundamentals, one should be well versed with school study materials from class 11 and 12, including NCERT.
INChO Syllabus 2025
Inorganic Chemistry
  • Electronic configuration of atoms and ions
  • Trends in the periodic table (main groups)
  • Trends in physical properties (main groups)
  • Structures
  • Nomenclature
  • Chemical calculations
  • Isotopes
  • Natural cycles
  • s-Block
  • p-Block
  • d-Block
  • Other inorganic problems
Organic Chemistry
  • Alkanes
  • Cycloalkanes
  • Alkenes
  • Alkynes
  • Arenes and heterocycles
  • Halogen compounds
  • Alcohols and phenols
  • Carbonyl compounds
  • Carboxylic acids
  • Nitrogen compounds
  • Some large molecules like -styrene, -ethene, -polyamides, etc.
Physical Chemistry
  • Chemical equilibria
  • Ionic equilibria
  • Electrode equilibria
  • Kinetics of homogeneous reactions
  • Thermodynamics (first law)
  • Thermodynamics (second law)
  • Phase systems
Biochemistry
  • Amino acids and peptides
  • Proteins
  • Fatty acids and fats
  • Enzymes
  • Saccharides
  • Krebs cycle and respiration chain
  • Nucleic acids and protein synthesis
  • Other biochemical problems like hormones- regulation & feedback, insulin, glucagon, adrenaline, etc.
Experimental Part of IChO
  • Synthesis of inorganic and organic compounds
  • Identification of inorganic and organic compounds (general principles)
  • The diagnosis of some inorganic and organic compounds (general principles)
  • Special measurements and procedures
  • Evaluation of results

INChO Syllabus 2025 FAQs

Q1. Where can I get the INChO Syllabus 2025?

Ans. You can get the comprehensive and accurate details of the INChO Syllabus 2025 as per the NCERT Syllabus of Class 11 and 12 at the PW Blog.

Q2. What is the mode and duration of INChO Exam 2025?

Ans. The INChO Exam 2025 is conducted through Pen and Paper Mode for the Indian National Chemistry Olympiad.

Q3. What is the difficulty level of INChO 2025?

Ans. The difficulty level of INChO 2025 will be moderate.

Q4. What are the Benefits of the INChO Syllabus 2025?

Ans. It is always beneficial to practice from INChO Syllabus 2025, as you will get to learn how to manage time in the actual examination.
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