Solve your IGNOU Doubts
Solve your IGNOU Doubts
Question:

Explain the need of layering in the Data Communications Protocols Stack.

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Question:

How many different phase states are used in BPSK and QPSK?

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Question:

What are Switched Communication Networks ?

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Question:

What are Microwaves ? Explain their properties.

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Question:

Discuss the spectral data expected for benzyl alcohol explaining the important features.

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Question:

Discuss the origin of various peaks exhibited in the mass spectrum of 2-butanol.

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Question:

The esr spectrum of hydrogen atom shows two equally spaced intense lines. Explain using suitable diagram.

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Question:

Draw and explain the NMR spectrum of ethanol solution.

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Question:

How is NMR spectrum recorded? Explain giving a suitable representation of an NMR spectrometer.

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Question:

What is the significance of water jacket in Raman spectrometer?

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Question:

What are the sources of radiation in microwave spectrometer?

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Question:

What is the significance of monochromators?

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Question:

Why glass container cannot be used for IR spectroscopy?

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Question:

What is the role of littron mirror in IR spectrometer?

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Question:

Draw the five 3d orbitals. Also explain the effect of octahedral crystal field on their energies using a suitable diagram.

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Question:

State the rules used for deriving term symbols of many electron diatomic molecules.

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Question:

Draw and explain the formation of \sigma ^{*}and \pi and \pi ^{*} molecular orbitals by LCAO.

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Question:

Comment on the structures of CO2 and SO2 molecules, if

(i) IR spectrum of CO2 exhibits two peaks which are absent in the Raman spectrum, and

(ii) IR spectrum of SO2 exhibits three peaks which are exhibited in Raman spectrum also.

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Question:

Using suitable diagram, discuss the pure rotational Raman spectrum of a diatomic molecule.

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Question:

Arrange the following molecules in the increasing order of their carbonyl group frequencies:

Image ignouassignments-ignouacademy-com--p-ignou-72237

Also explain the reason for your answer.

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