JLR -10110
CHEMISTRY

Time: 3 hours
Full Marks: 100
The figures in the right-hand margin indicate marks.
Answerany five questions..

1. Write notes on the following: 5x4 20

Importance of DCC in synthesis


Mechanism of Osazone fonnation


DL and Cahn-Ingold-Prelog System in the Stereochemistry


Biochemical aspects of Zinc complexes


2. Predict the proouct(s) of the following. Give the mechanisms invOlved: 4x5 20
-C Mn(OAch HOAc
II

Ph
CHN0
32

BF4
08-215 (Turnover)
Mi
CH
A2
NaNHz


lSJ


Ar-H+Ph-N


...

6
N02



3. How can the following synthesis achieved? 5X4= 20
Anthranilic acid Saccharin
. a-Naphthol a-Alkylated amino naph­
thalene
Me


4. the theory of Emulsification. 10
05-2/5 Contd.
How do you detennine the "Entropy· by Statistical method? 10
5. Discuss the theory behind radioactive disintegration. 10

What is Chemisorption? 5


By applying Clapeyron-Clausius Equation. calculate the latent heat of. of water at C. . 5


[Sp. volume of water vapour 1674 cc and liquid water 1cc].
6. Explain the ·Crystal Field Theory· of co­ordination compounds. 10
Give the principle, worldng and applications ofAAS. 10
7. Comment on the structures of the following
wemer's Complexes: 10
OS3(CO)12
Rh(CO)16
a5-215 (Turnover)

(B4Hil> Fe(COh
Fe3(CO)12
Whatare"Cagecompounds" or'Clathrate compounds" Why they are so important? Can you separate Potassium and Nickel from a solution using the above compounds? 10
8. Explain the differenttypes of Symmetry . operations? What is.the significance in Chemistry 10
. What do you by "Transport How do you determine it? . 5
. -.
. . Explain, in brief, TG analysis. 5
9. Explain "Magnetic Circular Diclirbism". 5 Write a.note on "Heavy Metals". 7
Explain the structures of the following 8

C03(CO)gCH


C04(CO)12


08-215 Gontd.
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