INChO 2025, Registration Link, Syllabus, Exam Date, Stages

INChO 2025 : Every year the Homi Baba Science Education Centre (HBSEC) conducts the INChO (Indian National Chemistry Olympiad) which is the second stage of the International Chemistry Olympiad. The INChO 2025 is a national-level examination for the Higher Secondary Level students that takes place over 15 different locations in India.

INChO Full Form

INChO Exam Benefits & Perks

1. Clarity: It is about making sense of the ideas and raising your subject knowledge. Attempting the INChO Examination will provide the ideas that help you comprehend things.
2. Academic performance: Students may study well for the test twice in a row because the material is the same for both exams, which ultimately improves academic performance.
3. Boost confidence: Taking Indian National Chemistry Olympiad exam forces you to face obstacles and become familiar with the issues, which in turn gives you a boost in confidence.
4. Analytical and problem-solving abilities: The INChO requires you to think creatively and carefully evaluate the challenges, which improves your problem-solving abilities. You must prioritize soft skills in addition to technical ones.

INChO 2025 Overview

There is no separate INChO 2025 Registration process and candidates get direct admission after qualifying the NSEC 2025, first stage of IChO Exam. Those candidates who have successfully qualified the merit list of Stage II (INChO) are eligible for OCSC.

INChO 2025 Registration

INChO 2025 Registration Link

INChO 2025 Eligibility Criteria

• The candidate’s birthdate should fall between July 1, 2002, and June 30, 2007.
• Students are eligible to apply for an Indian passport.
• Students who take this test will not be able to take the NSEJS exam in 2022.
• The student must be an Indian citizen who is currently studying in India, and has not passed their 12th board test.
• Students who have already applied have not yet begun their studies at a university or institution.

INChO 2025 Exam Date

INChO 2025 Exam Pattern

INChO 2025 Syllabus

Inorganic Chemistry

1. Electronic configuration of atoms and ions
2. Trends in the periodic table (main groups)
3. Trends in physical properties (main groups)
4. Structures
5. Nomenclature
6. Chemical calculations
7. Isotopes
8. Natural cycles

• s-Block
• p-Block
• d-Block
• Other inorganic problems

Organic Chemistry

1. Alkanes
2. Cycloalkanes
3. Alkenes
4. Alkynes
5. Arenes and heterocycles
6. Halogen compounds
7. Alcohols and phenols
8. Carbonyl compounds
9. Carboxylic acids
10. Nitrogen compounds
11. Some large molecules like -styrene, -ethene, -polyamides, etc.

Physical Chemistry

1. Chemical equilibria
2. Ionic equilibria
3. Electrode equilibria
4. Kinetics of homogeneous reactions
5. Thermodynamics (first law)
6. Thermodynamics (second law)
7. Phase systems

Biochemistry

1. Amino acids and peptides
2. Proteins
3. Fatty acids and fats
4. Enzymes
5. Saccharides
6. Krebs cycle and respiration chain
7. Nucleic acids and protein synthesis
8. Other biochemical problems like hormones- regulation & feedback, insulin, glucagon, adrenaline, etc.

Experimental Part of INChO

1. Synthesis of inorganic and organic compounds
2. Identification of inorganic and organic compounds (general principles)
3. The diagnosis of some inorganic and organic compounds (general principles)
4. Special measurements and procedures
5. Evaluation of results

INChO Result 2025

INChO Previous Year Question Paper

INChO Previous Year Question Paper