Solve your IGNOU Doubts
Solve your IGNOU Doubts
Question:

From the infrared spectrum given below, identify the possible functional groups corresponding to the peaks indicated by the arrows.

Image ignouassignments-ignouacademy-com--p-doubts-25988

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Question:

 

How can cyclopentane be prepared from hexanedioic acid ?

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Question:

Arrange the following in the increasing order of their acid strengths:

Chloroethanoic acid, fluoroethanoic acid, propanoic acid.

Give reason in support of your answer.

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Question:

Which of the following molecules exhibit rotational and or vibrational spectra H2, HF, CO, NO

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Question:

Given that the spacing of the lines in the microwave spectrum of 24Al1H is constant at 12.604 cm. Calculate the moment of inertia and bond length of the molecule.

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Question:

Given that the spacing of the lines in the microwave spectrum of 24Al1H is constant at 12.604 cm. Calculate the moment of inertia and bond length of the molecule.

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Question:

What is the predicted magnetic moment of Cu+and Cu2+ ions in a Unit (Atomic number of Cu 29)?

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Question:

Draw all of the stereoisomers of 2,3-butandiol, label meso compounds and pairs of enantiomer.

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Question:

 

Differentiate between intermolecular and intramolecular hydrogen bonding giving suitable examples.

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Question:

The dipole moment of HBr is 2.60 x 10-30 Cm and interatomic distance 141 pm. What is the percentage ionic character of HBr?

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Question:

Draw the potential energy diagram for the conformations of n-butane. Compare the stabilities of the important conformations.

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Question:

 

Draw various stereoisomers of 2, 3-pentanediol and classify them as enantiomers or disastereomers.

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Question:

Using suitable examples define gerade and ungerade orbitals.

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Question:

Give the structure of the following compounds:

(i) 1, 3-Cyclohexadiene

(ii) N-methylcyclohexanamine

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Question:

By writing molecular orbital configuration for each of following molecules calculate the bond order and also determine whether it is paramagnetic or diamagnetic. 

(i) NO

(ii) CO

(iii) 02+

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Question:

Give the IUPAC names of the following compounds:

 

Image ignouassignments-ignouacademy-com--p-ignou-83843

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Question:

 

How are physical properties of colloidal solutions different from those of true solutions and coarse dispersions? Explain.

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Question:

What are photosensitised chemical reactions? Explain giving suitable examples.

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Question:

Briefly give various experimental methods for studying the reaction rates.

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Question:

Explain important features of standard hydrogen electrode giving the suitable diagram.

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