CHE-02 Inorganic Chemistry in English Solved Assignment 2020

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INORGANIC CHEMISTRY
Elective Course in Chemistry
Course Code: CHE-02
Assignment Code: CHE-02/TMA/2020
Maximum Marks: 100

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CHE-02 Solved Assignment 2020

Tutor Marked Assignment
INORGANIC CHEMISTRY
Elective Course in Chemistry
Course Code: CHE-02
Assignment Code: CHE-02/TMA/2020
Maximum Marks: 100

Title NameCHE-02 CHEMISTRY Solved Assignment 2020
UniversityIGNOU
Service TypeSolved Assignment (Soft copy/PDF)
CourseBSC (CHEMISTRY) CHE
Language ENGLISH
Semester2019-2020 Course: BSC (CHEMISTRY) CHE
Session2019-20
Short Name CHE-02 (ENGLISH)
Assignment CodeCHE-02/TMA/2020
ProductAssignment of BSC (CHEMISTRY) 2019-2020 (IGNOU)
Submission DateValid from 1st January, 2020 to 31st December, 2020
PriceRS. 100

Note: Answer all the questions given below.
1. Compare Mendeleev’s Periodic Table with Modern Periodic Table. (5)
2. What is ionisation energy? Explain the difference between electronegativity and ionisation
energy
(5)
3. What is difference between intermolecular hydrogen bonding and intramolecular hydrogen
bonding? Explain with suitable examples
(5)
4. Electropositivity, density and atomic radii of alkali metals increase down the group. Explain. (5)
5. Write the name and full electronic configuration of the following elements:
i) Be ii) Mg iii) Ca iv) Sr v) Ra
(5)
6. What is the significance of diborane ? (5)
7. What is borazine? Draw the valence bond structure of borazine. (5)
8. What is the difference between valency and oxidation state? Give the rule to deduce the
oxidation state
(5)
9. Discuss nitrogen cycle in your own words. (5)
10. How would you convert benzene into nitrobenzene? What is role of nitric acid in this
reaction?
(5)
11. Explain the following:
i) Carbon is the only element of Group 14, which forms stable multiple bond with an
other carbon.
ii) Trihalide of boron is a trigonal planar molecule. Explain
(5)
12. What are different types of carbides? Explain each of them briefly. (5)
13. What are the different types of interhalogen compounds? Draw one structure of each type. (5)
14. Describe VSEPR theory. Draw the structure of the following compounds on the basis of
VSEPR theory.
i) XeF4 ii) XeOF4 iii) XeO4 iv) XeF6
(5)
15. What is oxoacid? Give any one reaction for preparation of the following;
i) Sulphurous acid
ii) Sulphuric acid
iii) Peroxomonosulphuric acid
iv) Peroxodisulphuric acid
(5)
16. Explain why the decrease in atomic radius from sodium to chloride is greater than that from
scandium to copper.
(5)
17. Why the experimental value of magnetic moments for the transition elements generally differ
from the spin-only values.
(5)
18. Some of the lanthanides and actinides besides showing + 3 oxidation state also show other
oxidation states. Which other factors may be responsible for this?
(5)
19. What are ligands? Give three examples with their structures of commonly used ligands. (5)
20. Give details of the process of smelting pertaining to pyrometallurgy. (5)

CHE-02, CHE-2, CHE 02, CHE 2, CHE02, CHE

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