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Question:

(b) Give one example each of the following reactions:

(i) Sabatier-Senderens Reaction

(ii) Decarboxlylation of the carboxylic acid

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Question:

(a) Explain the following:

(i) Wurtz reaction, has limited synthetic applications.

(ii) Alkanes are relatively unreactive or do not react with most of the reagents. (iii) Physical constants like boiling points, densities, etc. of alkanes generally increase with increase in the number of carbon atoms.

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Question:

i.There are three methods of estimations of manpower supply in the macro forecasting

ii. Management control is usually viewed as a feedback system.

iii. Power is the ability to exercise influence or control over others.

iv. Every formal organization has informal groups.

v. A manager’s effectiveness does not lie in making good and timely decisions.

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Question:

Which is more stable in each pair given below? Give reasons for your answer

Image ignouassignments-ignouacademy-com--p-your-42239

 

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Question:

1. ____________is the law of the jungle which is equally apphcable to the competitive market place where firms struggle and tight for survival.

ii. ____________is the most critical resource of an organization.

iii. The ability to select, train and induct people in jobs comes under the__________skills.

iv. OC refers to the perceived ________environment of an organization.

v. The techniques used in executive development are_________and __________.

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Question:

Compare the relative acidities of ethanoic acid, propanoic acid, fluoroethanoic acid and iodoethanoic acid. Explain your answer giving appropriate reasons.

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Question:

Draw Newman and sawhorse projections of various conformations of ethane. Compare the stabilities of these conformations giving reasons

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Question:

What are racemic mixtures? Discuss their resolution involving the formation of diastereomers.

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Question:

What is structural isomerism? Explain its various types giving suitable examples.

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Question:

Draw the molecular orbitals formed by the s – s combination of atomic orbitals. Also illustrate the electron densities for these orbitals and explain them.

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Question:

Explain valence bond structures of carbon monoxide molecule

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Question:

For the phosphite ion, (PO3) 3- :

(a) giving all the steps, write the Lewis structure.

(b) calculate the formal charges on O atoms and P atom.

(c) draw the shape of the ion

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Question:

(a) The first ionisation energies of silicon and sulphur are lower than that of phosphorus. Explain.

(b) Explain the use of cation to anion radius ratio.

(c) Arrange the following according to the increasing order of covalence:

NaF, NaCl, NaBr, NaI

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Question:

Derive the expression for the total energy of an electron in the n th orbit.

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Question:

State and illustrate Hund’s rule and Pauli exclusion principle giving suitable examples.

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Question:

How are spherical polar coordinates related to the rectangular cartesian coordinates? Illustrate giving suitable relations. Also write the Schrodinger equation for hydrogen atom in spherical polar coordinates

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Question:

What are observables? Give the operators and operation for the following observables: 

(i) Position (x)

(ii) Momentum (P)

(iii) Potential Energy U(x)

(iv) Total Energy (E)

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Question:

What are matter waves? Explain in phase and out of phase waves using suitable diagrams

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Question:

What are the postulates of Bohr model of atom? Why was this model proposed by Bohr?

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Question:

Give a brief account of Poisons Act and MTP Act.

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