Thermodynamics Important Questions for NEET 2025 PDF

Thermodynamics Important Questions for NEET: Thermodynamics is a crucial topic for students preparing for the NEET (National Eligibility cum Entrance Test) as it forms the foundation for various concepts in physics and chemistry. This article covers essential questions that help students prepare effectively for the NEET 2025 exam by focusing on the core principles of thermodynamics. Answering these questions will help students solidify their understanding of key concepts and prepare effectively for the NEET 2025 exam .

Thermodynamics Important Questions for NEET Overview

Thermodynamics is one of the most important topics in the NEET syllabus. It encompasses the study of energy, heat, and work, as well as the laws governing these processes. Mastering this topic can significantly enhance problem-solving skills and improve overall exam performance. Questions from thermodynamics often involve real-world applications, making it a vital section for aspiring medical students.

What is Thermodynamics?

Thermodynamics is the branch of physics that deals with the study of energy transformations and the relationships between heat, work, and other forms of energy. It involves principles like the conservation of energy and the laws governing entropy and enthalpy.

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Practice Questions for Thermodynamics Important Questions for NEET 2025

Answering these questions helps students strengthen their grasp of core principles and effectively gear up for the NEET 2025 exam. Additional examples are included, and further exercises can be practiced by downloading the PDF.

Q1. Which of the following is/are state functions?

(A) Enthalpy (B) Heat (C) Entropy (D) Gibb’s free energy The correct option is:

1. A only
2. A and B only
3. A, B and C only
4. A, C and D only

Q2. For a spontaneous process, $\Delta H–T\Delta S$ should be:

1. Less than zero
2. More than zero
3. Equal to zero
4. None of these

Q3. Given below are two statements:

Statement I : Work done in isothermal and reversible expansion of an ideal gas is wrev=–2.303nRTlog⁡V2V1 w rev ​ = –2.303 n RT log V 1 ​ V 2 ​ ​

Statement II : Work done in isothermal and irreversible expansion of a gas is wirrev=–P2(V2–V1) w irrev ​ = – P 2 ​ ( V 2 ​ – V 1 ​ )

Choose the most appropriate answer:

1. Statement I is correct but Statement II is incorrect.
2. Statement I is incorrect but Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect.

Q4. The enthalpies of all elements in their standard states are:

1. Unity
2. Zero
3. < Zero
4. Different for each element

Q5. The correct relationship between free energy change in a reaction and the equilibrium constant Kc K c ​ is:

1. ΔG=2.303RTlog⁡Kc Δ G = 2.303 RT log K c ​
2. ΔG=–2.303RTlog⁡Kc Δ G = –2.303 RT log K c ​
3. ΔGo=2.303RTlog⁡Kc Δ G o = 2.303 RT log K c ​
4. ΔGo=–2.303RTlog⁡Kc Δ G o = –2.303 RT log K c ​

Q6. For the reaction at 298 K, $A(g)+B(g)\rightleftharpoons C(g)+D(g)$ ; ΔHo=–29.8 kcal, ΔSo=–0.100 kcal K−1 Δ H o = –29.8 kcal , Δ S o = –0.100 kcal K −1 What is the value of ΔGo Δ G o (kcal K−1 K −1 )?

1. 1
2. 0
3. 2
4. 4

Q7. S.I. unit of entropy is:

1. JK−1 mol−1 JK −1 mol −1
2. J mol−1 J mol −1
3. J−1 K−1 mol−1 J −1 K −1 mol −1
4. JK mol−1 JK mol −1

Thermodynamics Important Questions for NEET PDF

Students can access a comprehensive collection of thermodynamics questions by downloading the PDF. This document includes sample questions, and explanations, to help students achieve mastery over the topic.

Download the PDF of Thermodynamics Important Questions for NEET

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