2005 Guru Nanak Dev University B Sc Chemistry INORGANIC CHEMISTRY Chem 201 May 2k5 Question paper for exam preparation. Question paper for 2005 Guru Nanak Dev University B Sc Chemistry INORGANIC CHEMISTRY Chem 201 May 2k5 Question paper, 2005 Guru Nanak Dev University B Sc Chemistry INORGANIC CHEMISTRY Chem 201 May 2k5 Question paper. SiteMap
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2005 Guru Nanak Dev University B Sc Chemistry INORGANIC CHEMISTRY Chem 201 May 2k5 Question paper

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2005 Guru Nanak Dev University B Sc Chemistry INORGANIC CHEMISTRY Chem 201 May 2k5 Question paper
B.Sc (H.S.) in Chemistry 2nd Semester
2045
Chem - 201
INORGANIC CHEMISTRY

Time Allowed : 3 hours

Maximum Marks : 75

Section - A

Note : All parts of question 1 are Compulsory. Each part carries 1½ marks.

1)

i) Differentiate between ortho and para hydrogen.

ii) Explain the effect of polarization on the decomposition of metal carbonates.

iii) Why does the chemical reactivity of metals increase from Li to Cs ?

iv) Explain giving reasons why NaOH is stronger than Ba(OH)2.

v) Refer attachment

vi) Acidic character of dioxides of Group-IV elements decreases as we move down the group.

vii) Nitrogen molecule is diatomic, but phosphorous molecule is tetra atomic. Explain.

viii) Refer attachment.

ix) What happens when bromine oxide dissolves in sodium trifluoride ?

x) Compare the buoyancy of helium with that of hydrogen.

Section - B

Note : Attempt any eight questions. Each question carries 4½ marks.

2. There is a distinct participation of d-orbitals in pi bonding in heavier p-block elements. Illustrate this statement.

3. Give a brief account of the oxides and hydroxides of alkalene metals. Comment on the structure of oxides also.

4. (a) Draw and explain the structure of calcium carbide and chlorophyll 'a'. (3)
(b) Nitrogen has no pentahalides unlike phosphorous. Explain. (1½)

5. Describe briefly the preparation and properties of Borax.

6. refer to attachment

7. Describe briefly complexes of alkali metals with polydentate ligands.

8. Write short note on Silicones.

9. Refer attachment.

10. (a) What is 'curse' of inert pair effect ? (2½)
(b) Explain the factors which favour catenation (2)

11. Explain the structure of oxyacids of phosphorous.

12. (a) Compare and explain the relative tendancies of lanthanides and actinides to form complexes. (2½)
(b) Explain briefly chemistry involved in the separation of lanthanides. (2)

13. (a) What are actinides ? Give their electronic configurations (2½)
(b) Describe briefly oxidation states of Group XII (zinc, cadmium, mercury group) elements. (2)


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2005 Guru Nanak Dev University B Sc Chemistry INORGANIC CHEMISTRY Chem 201 May 2k5 Question paper for exam preparation. Question paper for 2005 Guru Nanak Dev University B Sc Chemistry INORGANIC CHEMISTRY Chem 201 May 2k5 Question paper, 2005 Guru Nanak Dev University B Sc Chemistry INORGANIC CHEMISTRY Chem 201 May 2k5 Question paper