St. Joseph’s College of Arts & Science (Autonomous) St. Joseph’s College Road, Cuddalore – 607001 CH305S - INORGANIC CHEMISTRY - II
Time: 3 hrs
Max Marks: 75 SECTION - A (20X1=20) Answer ALL Questions
I. Choose the correct answer 1. Among the following, which can be used to estimate Ni+2 a) DMG b) O Hc) Cl- d) S-2 2. The mineral, quartz, is an example of: a) A single-chain silicate b) A framework silicate c) A sheet silicate d) A double-chain silicate 3. The hybridisation of Si atom in silicates is a) sp b) sp2 c) sp3
d) dsp2
4. The hybridization of Xe in XeF6 is: a) sp3 b) dsp3 c) sp3d 2
d) sp2
5. Froth flotation process is used to purify c) SnO2 a) PbS b) Fe2O3
d) Mn
6. Ultramarine is ________ silicate a) Sheet b) 3D c) Ortho
d) Pyro
7. The colour of Cr+3 is a) Purple b) Green
d) Blue
c) Violet
8. The metal which exhibit ferromagnetic behaviour is a) Na b) Al c) K d) Fe
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9. Of these, the metal which occurs in a free state is ________. a) Na b) Mg c) Zn d) Pt 10. The element with high electron affinity is a) F b) Cl c) I d) Br II. Fill up the blanks : 11. Ozone is used to --------- air. 12. Carbon shows highest catinating property because of its _________ 13. The hybridization of carbon in diamond is _________ 14. Fe ores can be concentrated by ----------- method. 15. Hydrazine is used as _________ fuel. III. Match the following : 16. Sulphur ores
-
Tetrahedron
17. Silica
-
Paramagnetic
18. Titanium
-
Froth floatation
19. Oxygen
-
Van-Arkel process
20. NH4 +
-
Glass
SECTION - B (10X2=20) Answer any TEN Questions 21. Write the preparation and structure of H3PO2 and H3PO3. 22. Calculate the oxidation number of Sulphur in H2SO4.
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23. Write short note on three dimensional silicates. 24. Write the preparation of hydroxylamine? 25. What is common ion effect? 26. Give the structure and uses of DMG. 27. Mention any two uses of Noble gases. 28. Write any two exceptional properties of Fluorine. 29. What are Psuedo halogens? Give two examples. 30. Give the advantages of liquid ammonia as solvent. 31. How is pure tungsten metal prepared? 32. What is meant by allotropy? What are the allotropes of carbon? SECTION - C (5X7=35) Answer any FIVE Questions 33. a) Explain the extraction of Titanium from its ore. b) Give the hybridization and geometries of: i) XeF2 ii) XeF4 iii) XeOF4 34. a) Write a note on HF as a solvent. b) Explain: Cyclic silicates and amphiboles with examples. 35. a) Arrive at the structures of BrF3, C1F5 b) Explain the zone refining process. 36. a) Mention any three anomalous properties of oxygen. b) How solvents are classified? Explain with examples.
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(4) (3)
(3) (2+2) (4) (3) (3.5) (3.5)
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37. a) Write short note on hydrazine. b) Give the structure of N3-.
.
(5) (2)
38. a) Write a short note on pseudo halogens. (4) b) Explain the process of the concentration of sulphide ores by froth floation process. (3) 39. a) Write the properties and structure of hydroxylamine. b) Explain Boron carbides.
PMMA is ______. 14. The heterogeneity of a polymer sample is called__________. 15. A polymer of silicon dioxide is called__________. III.Match the following.
b) The energy required to excite an electron to an excited state ... oxygen atoms in a ---------- geometry ... Displaying INORGANIC CHEMISTRY - I 2 - 11 14.pdf.
a) [Fe(CN)6]. 4- b) [Fe(CN)6]. 3-. c) [Co(NH3)6]. 3. d) [Ni(CN)4]. 2-. 5. Which one of the following is not a correct statement regarding. stability of complexes?
(b) Write the composition of calamine lotion and its use. 5. (c) Write the advantages of Povidone-Iodine preparation. 4. Q-6 (a) What are the requirements of an ...
Sign in. Page. 1. /. 4. Loading⦠... a) Oxygen b) Neon c) Fluorine d) Nitrogen. 2. ... The electronic configuration of d-block elements can be given by. a) (n-1) ... a) Purple b) Green c) Violet d) blue. 10. ... Why transition metal ions show color
Give two examples for bidentate ligands. 24. Write a note on polymerisation isomerism. 25. Calculate the EAN of Co in [Co(NH3)6] 3+. Page 3 of 5. Main menu.
Give the resonance contributors of phenoxide ion. 24. H2 / Ni ? 25. Predict the product ... Main menu. Displaying ORGANIC CHEMISTRY -I - 11 11.pdf. Page 1 of 6.
Inorganic Chemistry â II (Coordination Chemistry).pdf. Inorganic Chemistry â II (Coordination Chemistry).pdf. Open. Extract. Open with. Sign In. Main menu.
(a) Ti. 3+ is purple coloured while Ti. +4 is. colourless. (b) All Zn compounds are diamagnetic. 5. OR. (C) Calculate magnetic moment of Co2+ and Mn2+ ion.
7. a) Give an account of the structure and bonding in metal nitrosyl complexes. b) What is Jahn-Teller distortion ? Discuss its consequences in transition metal.
... corrected molar magnetic susceptibility was. found to be 16.44Ã10â6 cgs at 300 K. Calculate its effective magnetic moment. l) State and explain Kasha's rule.
The shape of Acetylene is ----------. a) square ... Treatment of formaldehyde with Grignard reagent followed by ... Displaying ORGANIC CHEMISTRY -I - 11 13.pdf.
SECTION - A (20X1=20). Answer ALL Questions. I. Choose the ... aR backward is 100 K J and its heat of ... The change in chemical potential for 56 g of oxygen allowed to get ... a) 34.7 b) 413.1 c)17.3 d) 206.6. 3. ... At standard state f=p=2. 18.
