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Chemistry Verified Solutions

JEE Advanced 2025 — Paper 2 (Chemistry) Solutions

Step-by-step mathematical proofs, multi-correct partial marking evaluation, and interactive practice for Paper 2.

← All 3 Subjects physics chemistry mathematics

Organizing Institute: Organizing IIT (2025)Verified Official Archive

EducationPath.in provides independently authored solutions, LaTeX mathematical derivations, and interactive self-practice modules. In strict compliance with examination copyright guidelines, official JEE Advanced question-paper PDFs are accessed directly through official IIT portals.

Official JEE Adv Portal (2025)

Chemistry Questions (17 Questions)

Interactive Partial Marking Mode

Q18Paper 2Chemistry (Physical)One or More Correct (Partial Marking)Tough / Advanced

Advanced Organic & Inorganic Chemistry

Scoring Scheme: +4 Full Marks • -2 Negative Marks • Partial Marking EnabledSection 2 (One or More Correct Option)

[JEE Advanced 2025 Paper 2 Chemistry Q18] An enantiopure compound undergoes multi-step stereoselective synthesis involving organolithium reagent followed by acid-catalyzed cyclization:

Select one or more options, then click "Submit Choices":

Q19Paper 2Chemistry (Inorganic)One or More Correct (Partial Marking)Tough / Advanced

Advanced Organic & Inorganic Chemistry

Scoring Scheme: +4 Full Marks • -2 Negative Marks • Partial Marking EnabledSection 2 (One or More Correct Option)

[JEE Advanced 2025 Paper 2 Chemistry Q19] An enantiopure compound undergoes multi-step stereoselective synthesis involving organolithium reagent followed by acid-catalyzed cyclization:

Select one or more options, then click "Submit Choices":

Q20Paper 2Chemistry (Organic)One or More Correct (Partial Marking)Tough / Advanced

Advanced Organic & Inorganic Chemistry

Scoring Scheme: +4 Full Marks • -2 Negative Marks • Partial Marking EnabledSection 2 (One or More Correct Option)

[JEE Advanced 2025 Paper 2 Chemistry Q20] An enantiopure compound undergoes multi-step stereoselective synthesis involving organolithium reagent followed by acid-catalyzed cyclization:

Select one or more options, then click "Submit Choices":

Q21Paper 2Chemistry (Physical)One or More Correct (Partial Marking)Tough / Advanced

Advanced Organic & Inorganic Chemistry

Scoring Scheme: +4 Full Marks • -2 Negative Marks • Partial Marking EnabledSection 2 (One or More Correct Option)

[JEE Advanced 2025 Paper 2 Chemistry Q21] An enantiopure compound undergoes multi-step stereoselective synthesis involving organolithium reagent followed by acid-catalyzed cyclization:

Select one or more options, then click "Submit Choices":

Q22Paper 2Chemistry (Organic)One or More Correct (Partial Marking)Tough / Advanced

Advanced Organic & Inorganic Chemistry

Scoring Scheme: +4 Full Marks • -2 Negative Marks • Partial Marking EnabledSection 2 (One or More Correct Option)

[JEE Advanced 2025 Paper 2 Chemistry Q22] An enantiopure compound undergoes multi-step stereoselective synthesis involving organolithium reagent followed by acid-catalyzed cyclization:

Select one or more options, then click "Submit Choices":

Q23Paper 2Chemistry (Inorganic)One or More Correct (Partial Marking)Tough / Advanced

Advanced Organic & Inorganic Chemistry

Scoring Scheme: +4 Full Marks • -2 Negative Marks • Partial Marking EnabledSection 2 (One or More Correct Option)

[JEE Advanced 2025 Paper 2 Chemistry Q23] An enantiopure compound undergoes multi-step stereoselective synthesis involving organolithium reagent followed by acid-catalyzed cyclization:

Select one or more options, then click "Submit Choices":

Q24Paper 2Chemistry (Physical)Numerical Value TypeTough / Advanced

Advanced Organic & Inorganic Chemistry

Scoring Scheme: +4 Full Marks • 0 Negative Marks Section 3 (Numerical Value / Decimal Type)

[JEE Advanced 2025 Paper 2 Chemistry Q24] An enantiopure compound undergoes multi-step stereoselective synthesis involving organolithium reagent followed by acid-catalyzed cyclization:

Q25Paper 2Chemistry (Inorganic)Numerical Value TypeTough / Advanced

Advanced Organic & Inorganic Chemistry

Scoring Scheme: +4 Full Marks • 0 Negative Marks Section 3 (Numerical Value / Decimal Type)

[JEE Advanced 2025 Paper 2 Chemistry Q25] An enantiopure compound undergoes multi-step stereoselective synthesis involving organolithium reagent followed by acid-catalyzed cyclization:

Q26Paper 2Chemistry (Organic)Numerical Value TypeTough / Advanced

Advanced Organic & Inorganic Chemistry

Scoring Scheme: +4 Full Marks • 0 Negative Marks Section 3 (Numerical Value / Decimal Type)

[JEE Advanced 2025 Paper 2 Chemistry Q26] An enantiopure compound undergoes multi-step stereoselective synthesis involving organolithium reagent followed by acid-catalyzed cyclization:

Q27Paper 2Chemistry (Physical)Numerical Value TypeTough / Advanced

Advanced Organic & Inorganic Chemistry

Scoring Scheme: +4 Full Marks • 0 Negative Marks Section 3 (Numerical Value / Decimal Type)

[JEE Advanced 2025 Paper 2 Chemistry Q27] An enantiopure compound undergoes multi-step stereoselective synthesis involving organolithium reagent followed by acid-catalyzed cyclization:

Q28Paper 2Chemistry (Organic)Numerical Value TypeTough / Advanced

Advanced Organic & Inorganic Chemistry

Scoring Scheme: +4 Full Marks • 0 Negative Marks Section 3 (Numerical Value / Decimal Type)

[JEE Advanced 2025 Paper 2 Chemistry Q28] An enantiopure compound undergoes multi-step stereoselective synthesis involving organolithium reagent followed by acid-catalyzed cyclization:

Q29Paper 2Chemistry (Inorganic)Numerical Value TypeTough / Advanced

Advanced Organic & Inorganic Chemistry

Scoring Scheme: +4 Full Marks • 0 Negative Marks Section 3 (Numerical Value / Decimal Type)

[JEE Advanced 2025 Paper 2 Chemistry Q29] An enantiopure compound undergoes multi-step stereoselective synthesis involving organolithium reagent followed by acid-catalyzed cyclization:

Q30Paper 2Chemistry (Physical)Single Correct OptionTough / Advanced

Advanced Organic & Inorganic Chemistry

Scoring Scheme: +3 Full Marks • -1 Negative Marks Section 1 (Single Correct Option)

[JEE Advanced 2025 Paper 2 Chemistry Q30] An enantiopure compound undergoes multi-step stereoselective synthesis involving organolithium reagent followed by acid-catalyzed cyclization:

Q31Paper 2Chemistry (Inorganic)Single Correct OptionTough / Advanced

Advanced Organic & Inorganic Chemistry

Scoring Scheme: +3 Full Marks • -1 Negative Marks Section 1 (Single Correct Option)

[JEE Advanced 2025 Paper 2 Chemistry Q31] An enantiopure compound undergoes multi-step stereoselective synthesis involving organolithium reagent followed by acid-catalyzed cyclization:

Q32Paper 2Chemistry (Organic)Single Correct OptionTough / Advanced

Advanced Organic & Inorganic Chemistry

Scoring Scheme: +3 Full Marks • -1 Negative Marks Section 1 (Single Correct Option)

[JEE Advanced 2025 Paper 2 Chemistry Q32] An enantiopure compound undergoes multi-step stereoselective synthesis involving organolithium reagent followed by acid-catalyzed cyclization:

Q33Paper 2Chemistry (Physical)Single Correct OptionTough / Advanced

Advanced Organic & Inorganic Chemistry

Scoring Scheme: +3 Full Marks • -1 Negative Marks Section 1 (Single Correct Option)

[JEE Advanced 2025 Paper 2 Chemistry Q33] An enantiopure compound undergoes multi-step stereoselective synthesis involving organolithium reagent followed by acid-catalyzed cyclization:

Q34Paper 2Chemistry (Organic)Single Correct OptionTough / Advanced

Advanced Organic & Inorganic Chemistry

Scoring Scheme: +3 Full Marks • -1 Negative Marks Section 1 (Single Correct Option)

[JEE Advanced 2025 Paper 2 Chemistry Q34] An enantiopure compound undergoes multi-step stereoselective synthesis involving organolithium reagent followed by acid-catalyzed cyclization: