Semester 5th Paper 1st Important Questions
Set A
Question 1. Describe Bronsted Lowry concept of conjugate acid
and base.
Question 2. What are differentiating and levelling solvents? Give examples.
Question 3. Explain the solvent system concept for at least two solvents.
Question 4. What is Pearson HSAB principle? Give its theoretical basis.
Question 5. What is symbiosis? Explain with examples.
Question 6. Why [CoF6]3- is more stable than [CoI6]3-
?
Question 7. Explain order of strength of acid character in following compounds:
(a) H3PO4, H3PO3, H3PO2
(b) H2SO4, H2SO3
(c) HClO4, HClO3, HClO2, HOCl
Question 8. Explain thermodynamics of reduction of ore into metal with help of Ellingham
Diagram.
Question 9. How Gold and Silver are extracted by Mac Arthur Forrest Cyanide
Process?
Question 10. Write short note on:
(a) Mond Process
(b) Zone Refining
(c) Electrolytic Refining
(d) Van-Arkel-de-Boer Process
(e) Kroll Process
(f) Parting Process
Question 11. Cu can be extracted by hydrometallurgy but Zn can’t, why?
Question 12. Alkali metals give colour in flame while Be & Mg not, why?
Question 13. What is diagonal relationship? Explain with examples.
Question 14. What do you mean by allotropy? Explain various allotropes of sulphur.
Question 15. Why Bi5+ is stronger oxidising agent than Sb5+
?
Question 16. While C=C is quite strong, Si=Si not, why?
Question 17. Why s-block elements don’t form coordination compounds like d
block elements?
Question 18. Among Alkali & Alkaline Earth metal, which will form stable complexes
and why?
Question 19. Draw & explain the structure of:
(a)Basic Beryllium Acetate
(b) Acetylacetone Potassium
Question 20. What are cryptates? How they differ from crown ether complexes ?
Question 21. Explain the magnetic character of Alkali metal-Ammonia solution.
Question 22. Explain the thermal stabilities of Alkaline earth metal
carbonates.
Semester 5th Paper 1st Important Questions
Set B
Q.1 Discuss
Bronsted Lowry concept of acid and base.
Q.2 How A
single solvent can be leveling or differentiating?
Q.3 What
were the theoretical basis of Pearson’s HSAB principle?
Q.4 Write
short note on: (a) Symbiosis (b) Lewis Acid & Base (c) Pearson’s HSAB
Principle
Q.5 How
Ellingham Diagrams helps in determining feasibility of obtaining metal by
coupling reaction ?
or
Explain the Thermodynamics of Metallurgy
with the help of Ellingham Diagram.
Q.6 Write Short
note on (a) Roasting (b) Calcination (c) Smelting (d)Magnetic separation (e)
Leaching (f) Froth floatation
Q.7 Write
comprehensive note on (a) Mond Process (b) Kroll Process (c) Parting Process
(d) Van-Arkel-de-boer Process (e) Zone refining (f) Electrorefining
Q.8 Why
alkali metals impart colour to the flame ?
Q.9 What is
inert pair effect? What are its consequences?
Q.10 What
is allotropy? What are various allotropes of C & P known till the date?
Q.11 What is
diagonal relationship? Why it occurs? Give 3 examples of diagonal
relationships.
Q.12 Why s
block elements don’t form complexes with monodentate ligands?
Q.13 Write comprehensive note on Crown ethers & Cryptates , how these can
be effective for s block metal storage?
Q.14
Describe bonding/structure of Basic berillium acetate, salicylaldehyde complex
of Na & Acetylacetatonato complex of K.
Q.15 How
the colour and conductivity of alkali metal solution in liquid ammonia varies
with concentration? Why these solutions are highly reducing in nature?
Q.16 Give
order of thermal stability & solubility of M2CO3, MCO3,
M2SO4, MSO4 where M is alkali or alkaline
earth metal.
Q.17 Why
some alkali metals prefer to form oxide while other peroxide or superoxide ?
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