NCERT Exemplar Class 11th Chemistry Problem Solution PDF

The NCERT Exemplar Class 11 Chemistry book is one of the most valuable resources for students who want to strengthen their conceptual understanding and practice advanced-level questions beyond the standard NCERT textbook.

It is recommended by teachers for higher-order thinking, application-based questions, and problem-solving skills often asked in exams. Here, you’ll get chapter-wise PDFs, sample questions with solutions, and smart preparation tips to use the book effectively.

NCERT Class 11 Chemistry Exemplar

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NCERT Exemplar Chemistry Class 11: Overview

The NCERT Exemplar Class 11 Chemistry book is a practice resource that strengthens understanding of key concepts. Aligned with the latest NCERT/CBSE curriculum, it goes beyond textbook questions and focuses on conceptual clarity, numericals, and real-life applications.

It is especially useful for building a strong foundation in Physical, Organic, and Inorganic Chemistry, and for preparing for higher classes and competitive exams.

Key highlights of the NCERT Class 11 Chemistry Exemplar:

• Covers all chapters from the NCERT Class 11 Chemistry syllabus
• Includes MCQs, assertion-reason, case-based, short answer, and long answer questions
• Focuses on concept clarity and application-based learning
• Helps improve analytical and logical thinking skills
• Highly recommended for competitive exam preparation

NCERT Exemplar Chemistry vs NCERT Textbook

Let us look at how NCERT Chemistry Exemplar is different from NCERT Chemistry textbook:

Chapter-wise Exemplar Questions

The NCERT Class 11 Chemistry Exemplar includes a wide variety of questions that test conceptual understanding and application rather than rote memorization.

Below are some Class 11th Chemistry NCERT Exemplar questions with solutions:

Chapter 1: Some Basic Concepts of Chemistry

Q: The molality of a solution containing 18 g of glucose (C₆H₁₂O₆) in 180 g of water is:

A) 0.5 m
B) 0.55 m
C) 0.56 m
D) 0.60 m

Answer: C
Explanation: Moles = 18/180 = 0.1; molality = 0.1 / 0.18 = 0.56 m

Chapter 2: Structure of Atom

Q: The orbital with quantum numbers n = 3, l = 2 can have maximum electrons:

A) 2
B) 6
C) 10
D) 14

Answer: C
Explanation: d-subshell → 5 orbitals × 2 = 10 electrons

Chapter 3: Classification of Elements & Periodicity

Q: Which has the highest electron gain enthalpy?

A) F
B) Cl
C) Br
D) I

Answer: B
Explanation: Cl has more negative electron gain enthalpy than F due to less electron-electron repulsion

Chapter 4: Chemical Bonding & Molecular Structure

Q: Which molecule has zero dipole moment despite polar bonds?

A) NH₃
B) H₂O
C) CO₂
D) SO₂

Answer: C
Explanation: Linear geometry cancels dipoles

Chapter 5: States of Matter

Q: Boyle’s law is obeyed best by gases at:

A) High pressure, low temperature
B) Low pressure, high temperature
C) High pressure, high temperature
D) Low pressure, low temperature

Answer: B

Chapter 6: Thermodynamics

Q: For an isothermal expansion of an ideal gas, which is correct?

A) ΔU = 0
B) ΔU > 0
C) ΔU < 0
D) ΔU depends on volume

Answer: A
Explanation: Internal energy depends only on temperature

Chapter 7: Equilibrium

Q: For the reaction at equilibrium: N₂ + 3H₂ ⇌ 2NH₃. If pressure increases, equilibrium shifts:

A) Left
B) Right
C) No change
D) Depends on temperature

Answer: B
Explanation: Fewer moles on right side

Chapter 8: Redox Reactions

Q: Identify the oxidizing agent: Fe²⁺ + Cu²⁺ → Fe³⁺ + Cu⁺

A) Fe²⁺
B) Cu²⁺
C) Fe³⁺
D) Cu⁺

Answer: B
Explanation: Cu²⁺ gets reduced

Chapter 9: Hydrogen

Q: Which hydride is electron-deficient?

A) CH₄
B) NH₃
C) B₂H₆
D) H₂O

Answer: C

Chapter 10: s-Block Elements

Q: Solubility of hydroxides of alkaline earth metals increases down the group due to:

A) Decrease in lattice energy
B) Increase in hydration energy
C) Constant energy
D) Increase in ionization energy

Answer: A

Chapter 11: p-Block Elements

Q: Inert pair effect is most prominent in:

A) Carbon
B) Silicon
C) Lead
D) Nitrogen

Answer: C

Chapter 12: Organic Chemistry – Basic Principles

Q: Which intermediate is most stable?

A) CH₃⁺
B) CH₃CH₂⁺
C) (CH₃)₂CH⁺
D) (CH₃)₃C⁺

Answer: D
Explanation: Tertiary carbocation is most stable

Chapter 13: Hydrocarbons

Q: Which compound shows maximum acidic character?

A) Ethane
B) Ethene
C) Ethyne
D) Benzene

Answer: C
Explanation: sp hybridized carbon stabilizes negative charge

Chapter 14: Environmental Chemistry

Q: Photochemical smog primarily contains:

A) SO₂
B) CO
C) O₃
D) CO₂

Answer: C

Step-by-Step Plan to Use NCERT Exemplar Class 11 Chemistry 

Jumping into the NCERT Exemplar right after finishing the textbook can feel confusing if you don’t have a clear plan. Chemistry, especially in Class 11, builds layer by layer, so using Exemplar the right way can massively improve your understanding and problem-solving skills. We have a smart, step-by-step approach to help you get the most out of it:

1. Don’t jump in immediately: Give yourself a 1-day gap after finishing NCERT. Let your brain settle the concepts first, this actually improves retention.
2. Play “spot the concept”: While reading Exemplar questions, try to guess which NCERT concept each question is based on. This trains your brain to connect topics quickly.
3. Solve without a pen first: For MCQs, think through the answer mentally before writing anything. This builds faster thinking and exam confidence.
4. Create your own “trigger words”: For tricky topics (like equilibrium or bonding), write 1-2 keywords that instantly remind you of the concept.
5. Turn mistakes into patterns: Don’t just correct wrong answers. Notice what kind of mistakes you repeat (formula mix-up, sign error, concept confusion).
6. Explain like a teacher: After solving a question, try explaining it out loud as if you’re teaching a friend. If you can explain it, you truly understand it.
7. Mix easy and  tough questions: Don’t do only hard ones. Alternating keeps your confidence high and learning balanced.
8. Re-attempt after 3 days: Go back to tough questions later and this is where real improvement happens. 

Benefits of Using NCERT Class 11 Chemistry Exemplar

Solving Class 11 Chemistry Exemplar is a smart way to move from basic learning to advanced problem-solving in Chemistry.

• Stronger conceptual clarity: Helps you understand core concepts deeply, not just memorize reactions or formulas.
• Practice beyond textbook level: Offers questions that go beyond NCERT, improving your overall preparation.
• Improves problem-solving skills: Includes numerical and application-based questions that sharpen analytical thinking.
• Focus on HOTS questions: Prepares you for higher-order thinking questions often asked in exams.
• Better exam readiness: Builds confidence to handle tricky and unfamiliar questions in boards.
• Covers all important topics: Aligns with the NCERT syllabus, ensuring no key concept is missed.
• Helpful for competitive exams: Acts as a strong base for exams like JEE and NEET.
• Variety of question types: Includes MCQs, short answer, and long answer questions for complete practice.

FAQs

Q1. What is NCERT Exemplar for Class 11 Chemistry?

Ans. It is a supplementary book containing advanced, application-based questions to strengthen conceptual understanding.

Q2. Are NCERT Exemplar questions important for exams?

Ans. Yes, they improve problem-solving skills and are often aligned with exam-level questions.

Q3. Is the NCERT Class 11 Chemistry Exemplar available chapter-wise?

Ans. Yes, it is available both as a complete book and chapter-wise PDFs.

Q4. Are exemplar questions tougher than NCERT textbook questions?

Ans. Yes, they are more conceptual, analytical, and application-based.

Q5. When should students solve NCERT Exemplar Chemistry?

Ans. After completing NCERT textbook chapters to reinforce concepts and practice advanced questions.