LNMU B.SC CHEMISTRY part 3 QUESTION pdf download ~ LNMU Notes

Download LNMU Chemistry part 3 Question free 2019 PAPER 6 

                                                           

CHEMISTRY PART - 3 2019

PAPER -6                                           

Answer any five questions in which Q.no. 1 is compulsory.

1.  Explain the following questions :

a)     Group displacement law

b)     Conjugate acid-base pair

c)     [NiCl₄]^-2 is tetrahedral and paramagnetic but [Ni(CN)₄]^-2 is square planar and diamagnetic. Why ?

d)   Calculate the

for cu⁺², Co⁺³ and Ni⁺²

2. Write notes on the following :

a)    Nuclear fission and Nuclear fusion

b)   Nuclear Stability

3.  Discuss the Chemistry of Molybdenum with respect to :

a)       (A) Position in PT

b)     (B) Ores and Extraction

c)     (c) Oxidation States

d    (d) (NH₄)₂M₀0₄ in the analytical test of PO₄^-3 ion

 

4. What are hard and soft acid base principle ? Discuss with example. How hardness of acid and bases is related to electronegativity ?

5.  What do you mean by magnetic susceptibility ? Discuss Guoy method for determination of magnetic susceptibility.

6. Write notes on the following :

a)    Spectrochemical series

b)   Crystal field stabilization energy

 

7.   Explain the formation of species by V.B.T.

a)         a)  NiCl₄^-2

b)        (B) CoCl₆^-3

c)         (c)  CoF₆^-3

d)         (d)   FeF₆^-3

Download free LNMU b.sc chemistry question part 1, part 2, part 3 with books and syllabus

8.    (a) What are the selection rule for electronic transition in complexes.

       (b) Discuss the electronic spectrum of  [ V(H₂O)₆]⁺³

9.  (a) How solvent can be classified ?

     (b)  Discuss the chemistry of NH₃ as solvent.

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