Get your IGNOU Help books delivered to your doorstep in Delhi NCR within just 4-6 hours! (T&C Apply). Order now to Get Success in Exams.

IGNOU CHE-05
- Organic Chemistry,
Latest Solved Assignment

(January 2024 - December 2024)

CHE-05 Assignment

#1 Best Selling IGNOU Assignments in All Available in Market

Bought By: 4142 Students

Rating: 3.9

Get IGNOU CHE-05 Assignments Soft Copy ready for Download in PDF for (January 2024 - December 2024) in English Language.

  • Helps save time and effort-really well
  • Promises Good Marks in Less Time
  • Answers that are verified and accurate
  • Based on IGNOU Guidelines.
Only 3 left to stop selling the Same Copy people are viewing this, and 8 recently purchased it

Select Assignment Type

Typed or Handwritten
Instant Download in Next 2 Minutes after Payment.

Buy Bulk Assignments (Soft or Hard) Copy

Buy Bulk Handwritten Assignments
  • 100% Money-Back Guarantee
  • Faster Shopping
  • Choosing us saves you time and money
  • Guaranteed Safe Checkout

IGNOU CHE-05 January 2024 - December 2024 - Solved Assignment

Are you looking to download a PDF soft copy of the Solved Assignment CHE-05 - Organic Chemistry? Then GullyBaba is the right place for you. We have the Assignment available in English language.

This particular Assignment references the syllabus chosen for the subject of Chemistry, for the January 2024 - December 2024 session. The code for the assignment is CHE-05 and it is often used by students who are enrolled in the B.Sc. Degree.

Once students have paid for the Assignment, they can Instantly Download to their PC, Laptop or Mobile Devices in soft copy as a PDF format. After studying the contents of this Assignment, students will have a better grasp of the subject and will be able to prepare for their upcoming tests.

IGNOU CHE-05 (January 2024 - December 2024) Assignment Questions

1. (a) Give the IUPAC names of the following compounds:

(b) Write the structure of the following compounds:
(i) Pentanedinitrile
(ii) N-ethyl-N-propylpropanamine

2. Discuss the optical activity of the following molecules giving suitable diagrams.

(i) trans-dichloroethene
(ii) meso-tartaric acid

3. Draw the conformations of 1,3-dimethylcyclohexane. Which of these conformations is more stable and why?

4. Draw the possible modes of vibrations of CH2 group present a molecule.

5. Briefly explain the guidelines/ rules to predict the relative importance of resonance structures in different molecules/species of organic compounds.

6. Define octane number. What are different factors affecting the octane number of a compound.
Give examples of additives used to increase the octane number.

7. What is Witting reactions? Give the mechanism of this reaction.

8. (a) How can you distinguish between terminal and internal alkynes using IR spectrum?
(b) How can you convert butane to 2-butyne.

9. Which position of naphthalene is more active towards electrophilic substitution? Explain giving suitable structures.

10. (a) Give any two methods of preparations of pyrrole. Also write the reactions involved.
(b) Write the resonance structures of pyridine-N-oxide.

11. Discuss the reactivity of allylic and benzylic halides in nucleophilic substitution reactions.

12. (a) How will you prepare phenol from benzene? Give the sequence of the reactions involved.
(b) Give the preparation and use of nitroglycerin.

13. Write the products of the following reactions of epoxides:

14. Write chemical reactions for the following named reactions:

(i) Etard’s reaction
(ii) Gattermann-Koch synthesis
(iii) Gattermann synthesis
(iv) Wacker process
(v) Friedel-Crafts acylation

15. Write chemical equations and reaction conditions for any five methods of preparation of carboxylic acids.

16. What is Michael addition? Explain giving suitable example and the mechanism involved.

17. Discuss the reduction of alknoyl halides using different reagents. Write the reactions involved and the products formed.

18. (i) Explain Henry reaction by giving a suitable example.
(ii) Write important uses of nitro compounds giving suitable examples.

19. How will you differentiate between primary, secondary and tertiary amines using nitrosation reaction?

20. Discuss the structure of starch giving the type of bonding and the components.

IGNOU CHE-05 (January 2023 - December 2023) Assignment Questions

1. (a) Give the IUPAC namely of the following:

(b) Explain the type of hybridisation is ethyne giving suitable diagrams.

2. (a) Draw the geometric isomers of 2,3-diiodopent-2-ene. Assign their configuration a E or Z.
(b) How can these isomers the differentiated?

3. (a) What is Walden inversion? Explain giving a suitable example.
(b) Write two more Fischer projections for the following compound:

4. (a) Write the isomers of pentane. Which isomer will have the highest melting point? Explain.
(b) Which will have higher value-1,3-butadiene or 1,4-pentadiene?

5. (a) Label the acid-base and conjugate acid-conjugate base pairs in the following systems:
(i) propanoic acid and water
(ii) water and ethylamine
(b) What are Lewis acids and Lewis bases? Give one example of each.

6. (a) How would you prepare alkanes from the following? (Give only one example).
(i) Alkyl halide
(ii) Carboxylic acid
(iii) Alkene

(b) Explain the following:
(i) In the mass spectra, alkanes give a series of peaks separated by 14 mass units.
(ii) Alkanes with odd number of carbon atoms have lower melting point than those with an even number of carbon atoms.

7. (a) Explain the following in one to two lines.
(i) Alkenes are more soluble in water than corresponding alkanes.
(ii) Addition reactions of alkenes are exothermic processes.

(b) Complete the following reactions:

8. (a) How would you prepare a cis- and trans- alkenes from an alkyne? Give reaction for each.
(b) Which one of the following is most basic? Justify your answer.
alkanide anion; alkenide anion; alkynide anion

9. (a) Why does nitrobenzene does not undergo Friedel-Crafts alkylation?
(b) What do you understand by para-directing activators, ortho-directing activators and meta-directing deactivators?

10. (a) Give the reactions for following conversions:
(i) Furfural to furan
(ii) Pyridine to 2-hydroxypyridine
(iii) Thiophene to 2,5-dihydrothiophene
(b) Give various resonance structures of carbocation formed during electrophilic substitution of furan.

11. (a) Discuss the advantages of crown ethers in organic synthesis?
(b) Alcohols are not as strong acids as phenols, Explain.

12. Taking a suitable example for each, write the mechanism of following reactions:
i) Haloform reaction
ii) Aldol condensation

13. Explain the following reactions with the help of suitable examples:
i) E2 reaction
ii) SN 1 reaction

14. (a) How you will carry out following conversions?

15. Discuss the mechanism of Fischer esterification.

16. (a) How would you prepare 1, 2-benzenedicarboxylic acid by two different ways?
(b) How can the above acid be converted to its anhydride and inside? Write chemical reactions for the concessions. What is an imide group?

17. (a) What is trans-esterification? Give an example.
(b) Complete the following reactions:

18. (a) How will you prepare 1,4-dinitrobenzene starting from benzenamine?
(b) Briefly explain the spectral characteristics of nitro compounds.

19. (a) Explain why the enantiomers of an amine cannot be separated while those of the quaternary ammonium compounds, these can be separated.
(b) What is carbylamine reaction? Explain its use.

20. Discuss Edman degradation of a peptide giving suitable reactions.

CHE-05 Assignment Details

  • University IGNOU (Indira Gandhi National Open University)
  • Title Organic Chemistry
  • Language(s) English
  • Session January 2024 - December 2024
  • Code CHE-05
  • Subject Chemistry
  • Degree(s) B.Sc.
  • Course Core Courses (CC)
  • Author Gullybaba.com Panel
  • Publisher Gullybaba Publishing House Pvt. Ltd.

Assignment Submission End Date

The IGNOU open learning format requires students to submit study Assignments. Here is the final end date of the submission of this particular assignment according to the university calendar.

  • 30th April (if Enrolled in the June Exams)
  • 31st October (if Enrolled in the December Exams).

Download Files & Sessions Details

Here are the PDF files that you can Download for this Assignment. You can pick the language of your choice and see other relevant information such as the Session, File Size and Format.

English Language

  • January 2024 - December 2024 28 Pages (0.00 ), PDF Format SKU: IGNGB-AS-BS-CHE05-EN-439
  • January 2023 - December 2023 34 Pages (0.00 ), PDF Format SKU: IGNGB-AS-BS-CHE05-EN-326

What's Included

In this section you can find other relevant information related to the Assignment you are looking at. It will give you an idea of what to expect when downloading a PDF soft copy from GullyBaba.

  • All Solved Answers By IGNOU Experts.
  • Available for 3 Times for Download.
  • Downloadable Soft Copy in PDF.
  • Print Ready Format: A4 (21 x 29 x .20 cm (Width x Length x Height)

Customers Also Bought

In addition to this Assignment, there are also other Assignments related to the B.Sc. Chemistry you are preparing for. Here we have listed other Assignments that were bought along with this one.