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| Title Name | IGNOU CHE 10 Solved Assignment 2025 |
|---|---|
| Type | Soft Copy (E-Assignment) .pdf |
| University | IGNOU |
| Degree | BACHELOR DEGREE PROGRAMMES |
| Course Code | BSC |
| Course Name | Bachelor in Science |
| Subject Code | CHE 10 |
| Subject Name | Spectroscopy |
| Year | 2025 |
| Session | |
| Language | English Medium |
| Assignment Code | CHE-010/Assignmentt-1//2025 |
| Product Description | Assignment of BSC (Bachelor in Science) 2025. Latest CHE 010 2025 Solved Assignment Solutions |
| Last Date of IGNOU Assignment Submission | Last Date of Submission of IGNOU CHE-010 (BSC) 2025 Assignment is for January 2025 Session: 30th September, 2025 (for December 2025 Term End Exam).Semester WiseJanuary 2025 Session: 30th March, 2025 (for June 2025 Term End Exam).July 2025 Session: 30th September, 2025 (for December 2025 Term End Exam). |
Ques 1.
रिडबर्ग नियतांक क्या होता है? इसका मान परिकलित कीजिए। इसका प्रयोगिक मान परिकलित मान से भिन्न क्यों होता है?
Ques 2.
हाइड्रोजन परमाणु की मूल अवस्था के लिए पद-प्रतीक व्युत्पन्न कीजिए।
Ques 3.
निम्नलिखित के लिए सममिति तत्व और बिन्दु समूह लिखिएः
(i) जल
(ii) अमोनिया
(iii) बेन्ज़ीन
Ques 4.
समीकरण को व्युत्पन्न कीजिए।
Ques 5.
समीकरण को व्युत्पन्न कीजिए।
Ques 6.
HCI के लिए J=0 से J'= 1 के लिए संक्रमण = 21.18 cm -1 पर होता है। 1H35CI के लिए आबंध लंबाई परिकलित कीजिए।
Ques 7.
अप्रसंवादिता क्या होती है? किसी अप्रसंवादी दोलक और आवर्ती दोलक के लिए अंतरा अणुक दूरी के साथ गतिज ऊर्जा परिवर्तन का चित्र बनाइए।
Ques 8.
जल के अणु के लिए कम्पन की सामान्य विधाओं को आरेखित कीजिए और उनकी व्याख्या कीजिए।
Ques 9.
अवरक्त स्पेक्ट्रम के 2000-1500 cm-1 क्षेत्र में कौन-से समूह अवशोषण करेंगे? व्याख्या कीजिए।
Ques 10.
उचित चित्र की सहायता से CO₂ के शुद्ध घूर्णन स्पेक्ट्रम की चर्चा कीजिए।
Ques 11.
किसी द्विपरमाणुक गैस के लिए कम्पन-घूर्णन रामन स्पेक्ट्रम का व्यवस्थात्मक चित्र बनाइए और वरण नियम लिखिए।
Ques 12.
LiH की मूल अवस्था के लिए पद प्रतीक व्युत्पन्न कीजिए।
Ques 13.
विलायक की ध्रुवता π - π* और n - π* संक्रमणों को किस प्रकार प्रभावित करती है? व्याख्या कीजिए।
Ques 14.
निम्नलिखित के लिए कारण बताइए :
(क) मर्करी (II) आयोडाइड का रंग इष्टिका लाल होता है।
(ख) NiSO₄ के जलीय विलयन का रंग हल्का हरा होता है किन्तु एथिलीन डाइऐमीन मिलाने पर रंग गहरा नीला हो जाता है।
Ques 15.
अवरक्त स्पेक्ट्रममापी में लिट्रॉन दर्पण की क्या भूमिका है?
Ques 16.
अवरक्त स्पेक्ट्रम में कांच की कोष्ठिका का उपयोग क्यों नहीं किया जा सकता है?
Ques 17.
जिस पात्र में प्रतिदर्श रखा जाता है उसकी क्या आवश्यकताएँ होती हैं?
Ques 18.
रामन स्पेक्ट्रममापी में पानी की जैकेट की क्या भूमिका है?
Ques 19.
अवरक्त स्पेक्ट्रममापी में गोले कोष्ठिका की क्या भूमिका है?
Ques 20.
CH3CHO के एन.एम.आर. स्पेक्ट्रम को आरेखित कीजिए और उसकी व्याख्या कीजिए।
Ques 21.
द्वि-आबंध के साथ जुड़े हाइड्रोजन परमाणु अपरिरक्षित होते हैं जबकि ऐल्काइनों के प्रोटॉन परिरक्षित होते हैं। व्याख्या कीजिए।
Ques 22.
इ.एस.आर. स्पेक्ट्रममापी के महत्वपूर्ण घटकों को आरेखित कीजिए और उनकी व्याख्या कीजिए।
Ques 23.
एथिल मूलक के इ.एस.आर. स्पेक्ट्रम की चर्चा कीजिए।
Ques 24.
सामान्य विदलन क्या होता है? उचित उदाहरण के द्वारा दर्शाइए।
Ques 25.
C6H5CH2OH के लिए अपेक्षित स्पेक्ट्रमी आँकड़ों की चर्चा कीजिए।
Ques 26.
What is Rydberg constant? Calculate its value. Why is its experimental value different from the calculated value?
Ques 27.
Derive the symbol for the ground state of hydrogen atom.
Ques 28.
Write the symmetry elements and the point groups of the following:
(i) Water (ii) Ammonia (iii) Benzene
Ques 29.
Derive the expression
Ques 30.
The transition from J-0 to J'=1 for HCI takes place at v 21.18 cm-1. Calculate the bond length for 1H35Cl.
Ques 31.
What is anharmonicity? Draw a diagram for the variation of potential energy with intermolecular distance for an anharmonic and harmonic oscillator
Ques 32.
Draw and explain the normal modes of vibration of water molecule.
Ques 33.
Which functional groups are expected to absorb in the 2000-1500 cm-1 region of IR spectrum? Explain.
Ques 34.
Discuss the pure rotational spectrum of CO₂ using the suitable diagram
Ques 35.
Give the selection rules and the schematic diagram of the vibration-rotation Raman (5) spectrum of a diatomic gas.
Ques 36.
Derive the term symbol for the ground state of LiH.
Ques 37.
How does solvent polarity affect ?- ?* and ?- ?* transitions? Explain.
Ques 38.
Give reason for the following:
(a) Mercury (II) iodide is brick red in colour.
Ques 39.
The aqueous solution of NiSO, which is pale green turns deep blue on addition of ethylenediamine
Ques 40.
Answer the following:
(i) What is the role of littron mirror in IR spectrometer?
(ii) Why glass cell cannot be used for IR spectroscopy?
(iii) What are the basic requirements of any container which holds the sample?
(iv) What is the role of Water jacket in Raman Spectrometer?
(v) What is the role of Golay cell in IR spectrometer
Ques 41.
Draw and explain the NMR spectrum of CH3CHO.
Ques 42.
The hydrogen atoms attached to a double bond are deshielded while in case of alkynes the protons are shielded. Explain.
Ques 43.
Draw and explain the important components of an ESR spectrometer.
Ques 44.
Discuss the ESR spectrum of ethyl radical.
Ques 45.
What is simple cleavage? Illustrate with the help of a suitable example.
Ques 46.
Discuss the expected spectral data for C6H5CH2OH.
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| Course Name | Bachelor in Science |
| Course Code | BSC |
| Programm | BACHELOR DEGREE PROGRAMMES Courses |
| Language | English |
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