Briefly describe different modes through which cell membrane controls the transport of ingoing and outgoing molecules?
See Answer →What will be the sequence of separation of the organelles, ribosomes, nucleus and mitochondria in a tissue homogenate when subjected to centrifugation. Explain your answer.
See Answer →What kind of structural information is available from UV, IR, NMR and Mass spectra of an organic compound?
See Answer →Explain McLafferty rearrangement with the help of a suitable example.
See Answer →What is the principle of mass spectrometry? Explain how it is different from other spectrometric methods.
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a Explain spin-spin splitting and Larmor precession the following terms in the context of NMR spectrometry.
See Answer →What are different types of instruments used for ICP-AES? Which of these is better and why? Explain.
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Enlist different components of an ICP torch. What makes argon a good choice for the plasma gas?
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Enlist different components of an ICP torch. What makes argon a good choice for the plasma gas?
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Enlist the advantages of GFAAS over FAAS and the advantage of line sources over continuum sources for AAS.
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Explain the principles of atomic absorption spectrophotometry and atomic emission spectrometry.
See Answer →Explain different pathways of atomic fluorescence emission. In what way is halogen cathode lamp (HCL) better than a continuous source for atomic fluorescence measurement?
See Answer →Briefly explain the different types of spectral interferences observed in flame photometry.
See Answer →Discuss the fate of analyte sample in the flame of a flame photometer. What is internal standard method? Under what conditions is it used?
See Answer →Briefly explain the origin of atomic spectrum. Explain why the atomic spectra are line spectra whereas the molecular spectra are band spectra
See Answer →Briefly explain the origin of atomic spectrum. Explain why the atomic spectra are line spectra whereas the molecular spectra are band spectra
See Answer →What is meant by room temperature phosphorescence? How is it achieved?
See Answer →What is chemiluminescence? Describe an analytical application of chemiluminescence in the area of environmental pollution measurement.
See Answer →Explain the origin of fluorescence and phosphorescence spectra in terms of Jablonski diagram. What is meant by fluorescence quenching? How does it affect the quantum yield of a fluorescence emission?
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Explain the origin of Raman spectrum in terms of quantum theory of radiation. State the 'Rule of mutual exclusion'. What is its significance?
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