IGNOU BSC CHE 4 Physical Chemistry Solved Assignment English
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CHE 4: Physical Chemistry
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| Title Name | IGNOU BSC CHE 4 Physical Chemistry Solved Assignment English |
|---|---|
| Type | Soft Copy (E-Assignment) .pdf |
| University | IGNOU |
| Degree | BACHELOR DEGREE PROGRAMMES |
| Course Code | BSC |
| Course Name | Bachelor in Science |
| Subject Code | CHE 4 |
| Subject Name | Physical Chemistry |
| Year | 2025 |
| Session | - |
| Language | English |
| Assignment Code | CHE 4/Assignment-1/2025 |
| Product Description | Assignment of BSC (Bachelor in Science) 2025. Latest CHE 04 2025 Solved Assignment Solutions |
| Format | Ready-to-Print PDF (.soft copy) |
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CHE 4 2025 - English
Tutor Marked Assignment CHE-04: PHYSICAL CHEMISTRY
Coare Code - Assignment Code: CHE-04/TMA/2025 Maximum Marka: 100
Note: Answer all the questions given below. The marks are indicated in the brackets.
1. a) What is the dimensional formula and SI unit of pressure?
b) State the assumptions made by Langmuir to obtain the absorption isotherm.
2. Using a suitable diagram, explain the most probable speed, the average speed and the root mean square speed
3. Derive van der Waals equation.
4. What is reduced pressure distillation? How is it useful?
5. Name different types of crystal systems. Give one example of the compounds belonging to each of these systems.
6 Define the following terms:
i) Isolated system
ii) Isothermal process
iii) Adiabatic process
iv) Isobaric process v) Isochoric process
7. Calculate the standard internal energy change for the formation of water at 298 K. The standard enthalpy of formation of H₂O (1) at 298 K is-285.8 kJ mol.
How will you calculate the net work done in a Carnot eyele?
9. Explain Nernst heat theorem.
10. Briefly discuss the factors affecting solubility of gases in liquids.
11. Using suitable diagrams, discuss the mutual solubilities of components of the following liquid pairs which have
(a) lower critical solution temperature,
(b) upper critical solution temperature, and
(c) both upper and lower critical solution temperatures.
12. Briefly explain the laws of osmotic pressure.
13. Discuss the phase diagram of KI-HO system giving the suitable diagram
14. Derive the expression relating equilibrium constant with temperature.
15. (a) What are polyprotic acids? Explain with the help of an example.
(b) Calculate the pH of 1.0 x 10 M HCI solution.
16. Discuss Hittorf method of determination of transport numbers.
17. Explain important features of standard hydrogen electrode giving the suitable diagram.
18. Briefly give various experimental methods for studying the reaction rales.
19. What are photosensitised chemical reactions? Explain giving suitable examples.
20. How are physical properties of colloidal solutions different from those of true solutions and coarse dispersions? Explain.
CHE 4 2025 - Hindi
शिक्षक जांच सत्रीय कार्य
भौतिक रसायन
रसायन विज्ञान में ऐच्छिक पाठ्यक्रम
कोड: CHE-04
अत्रीय कार्य कोड: CHE-04/TMA/2025
100
नोट: सभी प्रश्नों के उत्तर दीजिए। प्रश्नों के अंक दायीं ओर कोष्ठक में दिए गए हैं।
1. (क) दाब का विमीय सूत्र और SI मात्रक क्या है?
(ख) अभिशोषण समताप को प्राप्त करने के लिए लैंगम्यूर द्वारा आधार मानी गई परिकल्पनाओं को लिखिए।
2. उचित चित्र की सहायता से प्रायिकतम चाल, औसत चाल और वर्ग-माध्य-मूल चाल की व्याख्या कीजिए।
3. वान डर वाल्स समीकरण की व्युत्पत्ति कीजिए।
4. समानीत दाब पर आसवन क्या होता है? यह किस प्रकार उपयोगी होता है?
5. विभिन्न प्रकार के क्रिस्टल समुदायों के नाम लिखिए। प्रत्येक समुदाय से संबंधित यौगिकों का एक उदाहरण दीजिए।
6.निम्नलिखित पदों की परिभाषा दीजिए:
(३) विलगित तंत्र
(ii) समतापी प्रक्रम
(iii) राधाओस्म कार्यक्रम
(iv) समदाबी प्रक्रम
(ii) समायतनिक प्रक्रम
7. 298 K पर जल के लिए मानक आंतरिक ऊर्जा परिवर्तन परिकलित कीजिए। 298 K पर H₂O (1) की मानक संभवन एन्धैल्पी 285.8 kJ mol है।
8. आप कार्नो चक्र में तंत्र पर किए गए कुल कार्य को किस प्रकार परिकलित करेंगे?
9. नेर्स्ट ऊष्मा प्रमेय की व्याख्या कीजिए।
10. द्रवों में गैसों की विलेयता को प्रभावित करने वाले कारकों की संक्षिप्त चर्चा कीजिए।
11. उचित चित्रों की सहायता से निम्नलिखित द्रव युग्मों की पारस्परिक विलेयता की चर्चा कीजिए: (5)
(क) निम्न संविलेय ताप वाले
(ख) उपरि संविलेय ताप वाले
(ग) उपरि और विभिन्न दोनों संविलेय तापों वाले
12. परासरण दाब नियमों की संक्षिप्त व्याख्या कीजिए।
13. उचित चित्र देते हुए KI-H₂O तंत्र के प्रावस्था आरेख की चर्चा कीजिए।
14. साम्य स्थिरांक का ताप के साथ संबंध व्यक्त करने वाले व्यंजक को व्युत्पन्न कीजिए।
15. (क) बहुप्रोटी अम्ल क्या होते हैं? उचित उदाहरण की सहायता से व्याख्या कीजिए।
(অ) 1.0 × 10-8 MHCI विलयन का pH परिकलित कीजिए।
16. अभिगमनांकों के निर्धारण की हिटॉर्फ विधि की चर्चा कीजिए।
17. उचित चित्र द्वारा मानक हाइड्रोजन इलेक्ट्रोड के मुख्य लक्षणों की व्याख्या कीजिए।
18. दर अध्ययन की प्रायोगिक विधियों के बारे में संक्षेप में बताइए।
19. प्रकाश सुग्राहीकृत रासायनिक अभिक्रियाएँ क्या होती हैं? उचित उदाहरणों द्वारा व्याख्या कीजिए।
20. कोलाइडी तंत्रों के भौतिक गुणधर्म किस प्रकार वास्तविक विलयनों और स्थूल निलंबनों के गुणधर्मों से भिन्न होते हैं? व्याख्या कीजिए।
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IGNOU CHE 4 Solved Assignment 2025 – Prepare Smarter, Save Valuable Time
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Course: Bachelor in Science (BSC)
Subject: CHE 4 - Physical Chemistry
Session: January 2025 - December 2025
Language: English
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Product Information
| Course Name | Bachelor in Science |
| Course Code | BSC |
| Subject Code | CHE 4 |
| Subject | Physical Chemistry |
| Programme | BACHELOR DEGREE PROGRAMMES Courses |
| Language | English |
| Material Type | Solved Assignment – Soft Copy / PDF |
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