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Describe the principle of mass spectrometry.
Discuss the origin of two energy levels of an electron in the presence of magnetic field. Draw the suitable diagram also.
Draw and explain the NMR spectrum of ethanol.
How is an NMR spectrum recorded? Explain.
Answer the following briefly:
(i) What is the role of littron mirror in IR spectrometer?
(ii) What is the role of water jacket in Raman spectrometer?
(iii) What are the basic requirements of any container which holds the sample?
(iv) What are the sources of radiation in Raman spectrometer?
(v) What do you understand by the term resolving power?
(i) What is the role of littron mirror in IR spectrometer?
(ii) What is the role of water jacket in Raman spectrometer?
(iii) What are the basic requirements of any container which holds the sample?
(iv) What are the sources of radiation in Raman spectrometer?
(v) What do you understand by the term resolving power?
Answer the following briefly:
(i) What is the role of littron mirror in IR spectrometer?
(ii) What is the role of water jacket in Raman spectrometer?
(i) What is the role of littron mirror in IR spectrometer?
(ii) What is the role of water jacket in Raman spectrometer?
Explain the difference between fluorescene and phosphorescene.
Explain the following terms:
(i) Auxochrome
(ii) Bothochromic shift
(iii) Hypochromic shift
(iv) Hyperchromic effect
(i) Auxochrome
(ii) Bothochromic shift
(iii) Hypochromic shift
(iv) Hyperchromic effect
Derive the term symbol for the first excited state of H2 molecule.
Compare the characteristics of Raman and infrared spectra.
