B.Sc. sem-4 chemistry imp quations

Chemistry-4

·      All page no. Bharat Prakasan

 under line quation is most imp

·      2-mark

1) Explain LCAO method-->1.3

2) Give Schrodinger equation for H₂ molecular ion-->1.7

3) Explain energy of activation-->5.23

4) Name any two purification methods of colloidal solution-->6.8

5) List of raw materials of ceramics -->5.5

6) Explain molecularity of reaction -->5.5

7) What is gold number?-->6.13

8) Explain synthesis of Bakelite -->8.46

9) What is glazing of ceramics -->7.6

10)      Give the row materials used in ceremics industries

11)      Define :-lyophilic and lyophobic colloids -->6.3

12)      Classify refractories -->7.9

13)      Give the type of ceramics -->7.2

14)      Homo polymer and co-polymer -->8.47

·      3-mark

1) Give uses of organometallice compounds -->2.5

2) Give two preparation of beryllium compounds -->2.6

3) What is hybridization? Explain sp³hybridization -->1.3

4) Explain the collision theory or rate of reaction -->5.20

5) Give classification of polymer -->8.6

6) Explain Tyndale effect -->6.10

7) Differentiate lyophobic and lyophilic slo. -->6.3

8) Write any three nuclephilillic substitution reactions of pyridine -->3.23

9) Write note on Keto-end Tautomerism -->4.3

10)      Write bradig’s arc method for preparation of colloidal solution -->6.6

11)      Define :- bonding MO, Anibonding MO, and non-bonding MO

12)      Potential energy and schrodingers equation for H₂⁺ ion -->1.5

13)      Discuss relative basicity of pyridine pyrrole and aliphatic amines -->3.21

14)      Give classification of ceramics -->7.3

·      5-mark

1) Derive coefficient of wave function of sp hybridization -->1.10

2) Explain structure of ferrocene -->2.10

3) Discuss steucture and aromaticty pyridine -->3.18

4) What is polymer? Classify polymer -->8.6

5) Derive the equation of coefficient fo sp² hybridization -->1.12

6) Explain :-manufacturing of refractories -->7.12

7) Explain structure and aromaticity of pyridine -->3.18

8) Explain potential energy of H₂ molecule and derive schrodinger equation for it -->1.5

9) Give synthesis and application of bake lite -->8.46

10)      Application of colloidal state -->6.14

Very Most imp point

·      3 & 5 mark

·      Barat pracasan

{ch-2} point no. :-2.9

{ch-3} point no. :-3.3 , 3.6 , 3.7 , 3.8 , 3.11

{ch-5} point no. :-5.7 , 5.8 , 5.9 , 5.10  & examples

{ch-8} point no. :-8.13

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