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UPSC Mains Optional

Chemistry Optional test series

26 tests (12 sectional + 14 full-length), each evaluated by experts within 2 hours, with model answers written around your own style.

₹9,999for all 26 tests

26tests
2 hoursevaluation
1500+question bank
330+target score

Choose your plan

Everything is delivered and submitted on WhatsApp. Evaluated reports and analytics appear on your dashboard.

Test series

Chemistry test series

12 sectional + 14 full-length tests

₹9,999

  • Expert evaluation within 2 hours
  • Model answers built on your writing style
  • Your score vs UPSC weightage graphs
  • 12 years of topic and subtopic analytics
  • Personalise your test dates after joining

Daily practice

One test a day (3 questions), on the days you choose

₹9,000

  • Plan your topic priority and test dates
  • Same-day evaluation and feedback
  • Model solutions for every test
  • Delivered and submitted on WhatsApp

Topic-wise PYQs

Last 10 years, organised by topic

₹250

  • Average yearly weightage per topic
  • UPSC focus areas highlighted
  • Quick reference for revision

PYQ solutions

2014-2024 model solutions, topic-wise

₹1,250

  • Detailed, easy-to-follow solutions
  • Learn how strong answers are structured
  • Built to lift your score toward 330+

Test schedule

12 sectional tests followed by 14 full-length mocks.

TestTypeTopicDate
1 Sectional – Paper I Atomic Structure and Chemical Bonding 03-Oct
2 Sectional – Paper I Solid State, Gaseous and Liquid States 04-Oct
3 Sectional – Paper I Thermodynamics, Phase Equilibria and Electrochemistry 10-Oct
4 Sectional – Paper I Chemical Kinetics and Photochemistry 11-Oct
5 Sectional – Paper I Spectroscopy and Surface Phenomena 17-Oct
6 Sectional – Paper I Coordination, Main Group and f‑Block Chemistry 18-Oct
7 Sectional – Paper II Organic Reaction Mechanisms and Aromaticity 24-Oct
8 Sectional – Paper II Biomolecules and Heterocyclics 25-Oct
9 Sectional – Paper II Applied Organic Synthesis and Industrial Chemicals 31-Oct
10 Sectional – Paper II Advanced Coordination and Organometallic Chemistry 01-Nov
11 Sectional – Paper II Analytical, Bioinorganic and Catalytic Chemistry 07-Nov
12 Sectional – Paper II Environmental and Surface Chemistry Applications 08-Nov
13 Full-Length Test Paper-I Full Syllabus 14-Nov
14 Full-Length Test Paper-II Full Syllabus 15-Nov
15 Full-Length Test Paper-I Full Syllabus 21-Nov
16 Full-Length Test Paper-II Full Syllabus 22-Nov
17 Full-Length Test Paper-I Full Syllabus 28-Nov
18 Full-Length Test Paper-II Full Syllabus 29-Nov
19 Full-Length Test Paper-I Full Syllabus 05-Dec
20 Full-Length Test Paper-II Full Syllabus 06-Dec
21 Full-Length Test Paper-I Full Syllabus 12-Dec
22 Full-Length Test Paper-II Full Syllabus 13-Dec
23 Full-Length Test Paper-I Full Syllabus 19-Dec
24 Full-Length Test Paper-II Full Syllabus 20-Dec
25 Full-Length Test Paper-I Full Syllabus 26-Dec
26 Full-Length Test Paper-II Full Syllabus 27-Dec

Dates don't suit you? You can personalise your test schedule after joining.

Chemistry Optional syllabus

The UPSC syllabus this test series covers, topic by topic.

Chemistry - Paper I

Atomic Structure and Chemical Bonding
Schrödinger equation, quantum numbers, hydrogen orbital wavefunctions, Ionic and covalent bonding; resonance; VB and MO theories, Bond order, bond length and strength comparisons
Solid State Gaseous and Liquid States
Crystal systems and defects; Bragg’s law; X‑ray diffraction, Real gas behavior; Maxwell distribution; viscosity and thermal conductivity, Surface tension; Kelvin equation; capillarity and contact angle
Thermodynamics Phase Equilibria and Electrochemistry
First and second laws; Maxwell relations; J–T effect; Nernst theorem, Phase diagrams; Clausius‑Clapeyron; binary phase equilibria, Debye‑Hückel theory; galvanic/concentration cells; electrode kinetics
Chemical Kinetics and Photochemistry
Reaction rate laws; chain, parallel and consecutive reactions, Fast reaction techniques; transition state and collision theory, Photochemical reaction mechanisms; quantum yields
Spectroscopy and Surface Phenomena
Rotational, vibrational, electronic spectroscopy; NMR, mass spectrometry, Adsorption isotherms; surface area determination; catalysis fundamentals
Coordination Main Group and f‑Block Chemistry
Crystal field and ligand field theories; organometallic complexes, Boranes, interhalogens, phosphazenes; borazine structures, Lanthanoid and actinoid separation; magnetic and spectral properties

Chemistry - Paper II

Organic Reaction Mechanisms and Aromaticity
Electrophilic, nucleophilic, radical and pericyclic mechanisms, Aromaticity concepts; annulenes, azulenes, tropolones, fulvenes, Antiaromatic vs aromatic stability comparison
Biomolecules and Heterocyclics
Structures and reactions of carbohydrates, proteins, nucleic acids, Synthesis and reactions of common heterocycles, Biological significance and industrial applications
Applied Organic Synthesis and Industrial Chemicals
Strategic approaches to organic synthesis; key reagents, Synthetic routes to pharmaceuticals and fine chemicals, Industrial chemical processes and applications
Advanced Coordination and Organometallic Chemistry
Polynuclear and fluxional complexes; metal–metal bonding, Insertion, oxidative addition, cluster chemistry, Organometallic reaction mechanisms and applications
Analytical Bioinorganic and Catalytic Chemistry
Electroanalytical techniques; biological roles of metal ions, Catalysis mechanisms; enzyme mimics and catalytic cycles, Environmental relevance of bioinorganic chemistry
Environmental and Surface Chemistry Applications
Green chemistry principles; adsorption and surface catalysis, Environmental catalysis techniques; pollutant degradation, Industrial relevance of surface chemistry processes

Free 2014 PYQ solutions

Expert-solved previous year questions. Read them free to see our answer quality.

Want every year? Get topic-wise solutions for 2014-2024.

UPSC weightage analytics

Where UPSC has awarded marks, topic by topic. Focus on what scores, and compare your test results once you join.

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