Solve your IGNOU Doubts
Solve your IGNOU Doubts
Question:

ROH is a better nucleophile than H2O?

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Question:

NH3 is less basic than CH3NH2?

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Question:

NO2 is a better electrophile as compared to NH4 + ?

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Question:

a tertiary amine is more basic than a primary amine?

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Question:

a higher value of pKa indicates a strong nucleophilic character?

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Question:

Using suitable structures, differentiate between amylose and amylopectin.

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Question:

 using Gabriel synthesis?

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Question:

from butane nitrile, and

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Question:

Explain the uses of nitro compounds.

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Question:

How can you prepare 1, 4-dinitrobenzene from benzenamine? Explai

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Question:

Briefly explain the following reactions: 

i) Beckmann rearrangement

ii) Bouveault Blanc reduction

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Question:

Explain the reaction of 2-amino acids with ninhydrin.

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Question:

Explain the formation of 3-hydroxy esters from 2-bromoesters. What is the name of this reaction?

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Question:

Discuss the mechanism of Fischer esterification of carboxylic acids

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Question:

Complete following reactions:

Image ignouassignments-ignouacademy-com--p-your-19081

 

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Question:

Complete the following reactions and discuss their mechanisms:

Image ignouassignments-ignouacademy-com--p-ignou-73267

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Question:

Oxiranes are more reactive than open chain ethers

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Question:

Phenols are acidic in character while alcohols are almost neutral. Explain.

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Question:

What product(s) would you expect from each of the following reactions? Write the mechanism of the reactions and also mention the reason for the relative amounts of products formation where necessary

Image ignouassignments-ignouacademy-com--p-ignou-92815

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Question:

i) 2-Position in furan is more reactive than the 3-position towards electrophilic substitution. Explain. 

ii) Pyrrole is more basic than pyridine. Explain.

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