LU B.Sc Sem 5 Chemistry Physical Chemistry-2 Important Questions 2026 | PYQ Pattern
LU B.Sc 5th Semester Chemistry (Physical Chemistry-2) Important Questions 2026 – Lucknow University (LU) aur affiliated colleges ke B.Sc NEP Semester V (PCM & ZBC group) students ke liye Chemistry – Physical Chemistry-2 ke sabse important questions, bilkul previous year question paper (PYQ) pattern me. Saare questions neeche page par hi hain – section-wise.
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Paper Details – B.Sc Sem 5 Chemistry (LU NEP 2026)
| University | University of Lucknow (LU) + affiliated colleges |
| Course | B.Sc. V Semester (NEP) – PCM & ZBC |
| Paper | Chemistry – Physical Chemistry-2 |
| Time / Marks | 2 Hours / 75 Marks |
| Pattern | Kul 4 questions: Section A se 1 (15 marks) + Section B se 3 (20 marks each) |
Section A – Important Questions (15 Marks)
Note: Section A se koi ek question attempt karna hai.
Q1. (a) State Le Chatelier’s principle and apply it to N₂(g) + O₂(g) ⇌ 2NO(g), ΔH = +180.7 kJ.
(b) Obtain the efficiency of a heat engine.
(c) Explain reaction isotherm and reaction isochore. [15 Marks]
Q2. (a) Obtain the Gibbs-Helmholtz equation.
(b) Obtain the integrated Clapeyron-Clausius equation for Liquid ⇌ Gas equilibrium and discuss its uses. [15 Marks]
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Section B – Important Questions (20 Marks)
Note: Section B se koi teen questions attempt karne hain.
Q3. Define entropy and show that it is a state function. Obtain the entropy change of an ideal gas in terms of P, V and T. Find the entropy change when one mole of helium (Cv = (3/2)R) is heated at constant pressure from 298 K to 1000 K. [20 Marks]
Q4. (a) Explain Arrhenius’ theory of electrolytic dissociation and its limitations.
(b) Explain the Debye-Hückel theory of strong electrolytes. [20 Marks]
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Q5. Define transport number and describe Hittorf’s method of finding it. Explain Kohlrausch’s law. [20 Marks]
Q6. Obtain the Nernst equation. The cell H₂ (1 atm), H⁺ (C₁) ‖ H⁺ (10⁻⁶ M), H₂ (1 atm) has e.m.f. 0.118 V at 25°C; find C₁. What is the electrochemical series? [20 Marks]
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Q7. What is a concentration cell? Obtain the e.m.f. of a concentration cell with and without transference. [20 Marks]
Q8. Distinguish physical and chemical adsorption. Obtain and discuss the Langmuir adsorption isotherm. Add a note on the BET isotherm. [20 Marks]
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Q9. (a) What is liquid junction potential? Obtain an equation for it.
(b) Find the liquid junction potential at 25°C between HCl solutions of mean activities 0.01 and 0.001 (t₊ of H⁺ = 0.83). [20 Marks]
Q10. Write short notes on: (a) Glass electrode (b) Quinhydrone electrode and pH (c) Activity and activity coefficient (d) Criteria of spontaneity [20 Marks]
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Exam Tips – Chemistry (Physical Chemistry-2)
- Section A ke long answers ke short notes bana lo – 15 marks pakke karo.
- Section B ke derivations / numericals / diagrams ki practice karo.
- Upar ke questions ko 2 ghante me PYQ ki tarah solve karke dekho.
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FAQs
LU B.Sc 5th Semester Chemistry (Physical Chemistry-2) exam me kitne questions attempt karne hote hain?
Ye 75 marks ka 2 ghante ka paper hai. Kul 4 questions attempt karne hote hain – Section A se 1 question (15 marks) aur Section B se 3 questions (20-20 marks).
Kya ye LU B.Sc Sem 5 Chemistry ka official previous year question paper (PYQ) hai?
Nahi. Ye LUUPDATE team ka banaya 2026 exam ke liye most important questions ka set hai, jo Lucknow University ke previous year papers ke pattern aur NEP syllabus par based hai.
B.Sc Sem 5 Chemistry Physical Chemistry-2 ke answers / solutions kahan milenge?
LUUPDATE ke Most Important Questions course (BA, B.Sc, B.Com Sem I, III & V) me har question ka pura solution milta hai – sirf ₹99 me, LUUPDATE App par.
Ye paper kis group ke liye hai – PCM ya ZBC?
Chemistry (Physical Chemistry-2) LU B.Sc NEP Semester V ke PCM & ZBC group ke students ke liye hai.
Disclaimer: Ye LUUPDATE team dwara taiyar kiye gaye expected important questions hain (previous year pattern par), Lucknow University ka official question paper nahi. Exam pattern aur syllabus ke liye university ka official notice zaroor dekhein.
