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Solve your IGNOU Doubts
Question:

Discuss the applications of paper chromatography.

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Question:

Describe the important parameters of stationary phases used in liquid-solid chromatography.

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Briefly discuss the basis of classification of various chromatographic techniques.

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Question:

 Briefly explain stripping in the context of metal ion separations.

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Question:

How does pH affect the extraction? Illustrate giving suitable examples.

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Question:

List the essential characteristics of diluents.

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Question:

Discuss the important features of extraction by compound formation using carboxylic and sulphonic acids.

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Question:

How can electromigration be used as a property for separation? Give various techniques based on it.

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Question:

How can electromigration be used as a property for separation? Give various techniques based on it.

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Question:

 The important spectral details of an organic molecule having a molecular formula C4H8O are as follows:

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Question:

What are isotopic peaks? Discuss the importance of isotopic peaks in mass spectrometry.

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Question:

 Explain different relaxation mechanisms by which these operate to maintain population difference in nuclear spin states in NMR.

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Question:

Draw a schematic layout of different components of an ICP-AES spectrometer and briefly state the role of each component.

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Question:

List the characteristics of an ideal atomization-excitation source.

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Question:

The choice of proper reagents and techniques of decomposition and dissolution of the sample is a critical step for the success of AAS determination. Explain the preparing sample for AAS using microwave digestion system.

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Question:

 Enlist different pathways for atomic fluorescence emission and explain Stokes direct line fluorescence method.

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Question:

Discuss the merits and demerits of Flame photometric method.

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Question:

Discuss the fate of a sample introduced in the flame.

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Question:

 Discuss different factors affecting fluorescence.

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Question:

 Discuss different factors affecting fluorescence.

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