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IGNOU CHE-02
- Inorganic Chemistry,
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(January 2024 - December 2024)

CHE-02 Assignment

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IGNOU CHE-02 January 2024 - December 2024 - Solved Assignment

Are you looking to download a PDF soft copy of the Solved Assignment CHE-02 - Inorganic 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-02 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-02 (January 2024 - December 2024) Assignment Questions

1. a) Give the names of the chemists who discovered scandium and germanium.
b) Explain Pauli’s exclusion principle and Hund’s rule.
c) What is the difference between electron affinity and ionisation energy.

2. Explain the following:

a) Atomic size generally decreases across the period and increases down the group in the periodic table.
b) The difference between the 1st and the 2nd ionisation energy of Li is much higher than that of Be.
c) In Group 17, HF has abnormally high melting and boiling points as compared to other hydrides of the group.
d) Intermolecular hydrogen bonding does not take place in p-nitrophenol.
e) Physical properties of isotopes of hydrogen are different.

3. a) Give the structure of the following complex ions:

i) [BeF4]2-
ii) [Be(C2O4)2]2-

b) Give the reaction of aqua regia with gold.
c) Explain giving suitable reactions whether NaNH2 acts as an acid or a base in liquid ammonia.

4. a) Give the method of preparation of pure crystalline boron.
b) Why corundum finds many applications in abrasives, refractories and ceramics?
c) Explain the structure of diborane.

5. a) Explain the differences in structure and bonding in trimethylamine and trisilylamine.
b) Give the process of extraction of phosphorous.

6. a) What are the two allotropic forms of oxygen? Differentiate between them and write the method of preparation of each of these.
b) Explain why there is large difference in the melting and boiling points of oxygen and sulphur.

7. a) How did Moissan prepare fluorine? What are the modifications done to his method?

b) Describe the following in brief:

i) Basic properties of halogens
ii) Nature and stability of halogen oxides

8. a) What are clathrates? What is the criteria of formation of clathrates?
b) What is the significance of beneficiation of ores? List various methods used for the same.

9. a) What factors determine whether a complex is high spin or low spin?
b) Describe the difference between a high spin and a low spin d6 complex.
c) Explain which one of [Fe (H2O)6]2+ and [Fe(CN)6]4- complex ions is high spin and which one is low spin?

10. a) Chemical properties of the transition metals vary widely from element to element. In contrast, the inner-transition metals markedly resemble each other chemically. Explain.
b) All the lanthanide elements form generally stable compounds in +3 oxidation state. Then, why do cerium and europium form most stable compounds in + 4 and + 2 oxidation states, respectively?
c) Why do many transition metals exhibit a +2 oxidation state in their compounds?

IGNOU CHE-02 (January 2023 - December 2023) Assignment Questions

1. a) Give the names of the chemists who discovered scandium and germanium
b) Explain Pauli’s exclusion principle and Hund’s rule.
c) What is the difference between electron affinity and ionisation energy.

2. Explain the following:
a) Atomic size generally decreases across the period and increases down the group in the periodic table.
b) The difference between the 1st and the 2nd ionisation energy of Li is much higher than that of Be.
c) In Group 17, HF has abnormally high melting and boiling points as compared to other hydrides of the group.
d) Intermolecular hydrogen bonding does not take place in p-nitrophenol.
e) Physical properties of isotopes of hydrogen are different.

3. a) Give the structure of the following complex ions:
i) [BeF4]2-
ii [Be(C2O4)2]2-
b) Give the reaction of aqua regia with gold.
c) Explain giving suitable reactions whether NaNH2 acts as an acid or a base in liquid ammonia.

4. a) Give the method of preparation of pure crystalline boron.
b) Why corundum finds many applications in abrasives, refractories and ceramics?
c) Explain the structure of diborane.

5. a) Explain the differences in structure and bonding in trimethylamine and trisilylamine.
b) Give the process of extraction of phosphorous.

6. a) What are the two allotropic forms of oxygen? Differentiate between them and write the method of preparation of each of these.
b) Explain why there is large difference in the melting and boiling points of oxygen and Sulphur.

7. a) How did Moissan prepare fluorine? What are the modifications done to his method?
b) Describe the following in brief:
i) Basic properties of halogens
ii) Nature and stability of halogen oxides

8. a) What are clathrates? What is the criteria of formation of clathrates?
b) What is the significance of beneficiation of ores? List various methods used for the same

9. i) What factors determine whether a complex is high spin or low spin?
ii) Describe the difference between a high spin and a low spin d6 complex.
iii) Explain which one of [Fe (H2O)6]2+ and [Fe(CN)6]4- complex ions is high spin and which one is low spin?

10. a) Chemical properties of the transition metals vary widely from element to element. In contrast, the inner-transition metals markedly resemble each other chemically. Explain.
b) All the lanthanide elements form generally stable compounds in +3 oxidation state. Then, why do cerium and europium form most stable compounds in + 4 and + 2 oxidation states, respectively?
c) Why do many transition metals exhibit a +2 oxidation state in their compounds?

CHE-02 Assignment Details

  • University IGNOU (Indira Gandhi National Open University)
  • Title Inorganic Chemistry
  • Language(s) English
  • Session January 2024 - December 2024
  • Code CHE-02
  • 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).

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English Language

  • January 2024 - December 2024 22 Pages (0.00 ), PDF Format SKU: IGNGB-AS-BS-CHE02-EN-422
  • January 2023 - December 2023 22 Pages (0.00 ), PDF Format SKU: IGNGB-AS-BS-CHE02-EN-312

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  • Available for 3 Times for Download.
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