Asist.Prof. Department of Chemistry, Shri V. Rukmini College Sawana,Mahagaon, Dist Yavatmal (M.S) India.

1. Presented by
Dr Pankaj S. Chaudhari
Asist.Prof.DepartmentofChemistry,
ShriV.Rukmini College Sawana,Mahagaon,Dist
Yavatmal(M.S.)India

2. INTRODUCTION
REACTION TYPES OF TRANSITION METAL
COMPLEX
REACTIVITY OF METAL COMPLEX
A] INERT COMPLEX
B] LABILE COMPLEX
FACTOR AFFECTING THE LABILITY OF COMPLEX
A] ACTIVATED COMPLEX (TRANSITION STATE)
B] SUBSTRATE
C] REAGENT

3. A] ACTIVATED COMPLEX (REACTION
INTERMEDIATE /T.S.)
let consider the reaction
X + Y—Z X—Y + Z
RECTANT PRODUCT
X + Y—Z X------Y ----- Z
REAGENT SUBSTRATE TRANSITION STATE
X Y + Z
PRODUCT

4. ENERGY PROFILE DIAGRAM

5. B] SUBSTRTE
C] REAGENT
a] Electrophillic reagent (E+)
b] Nucleophillic reagent (Nu-)
X + Y—Z X------Y + Z
REAGENT SUBSTRATE PRODUCT

6. In co-ordination chemistry ,
M+ + L [ M L ] n+
Electrophile Nucleophile complex
Lewis acid Lewis base

7. Types of substitution reaction
a] Nucleophillic substitution reaction
( ligand substitution reaction)
M ---- X + L” M ---- L” + X
b] Electrophillic substitution reaction
( metal substitution reaction)
M ---- L + M ‘ M’-----L + M

8. Types of Nucleophillic Substitution
Reaction
1] Nucleophillic Substitution Unimolecular
Reaction [SN1]
2] Nucleophillic Substitution Bimolecular
Reaction [SN2]

9. 1] Nucleophillic Substitution Unimolecular
Reaction [SN1]

11. 2] Nucleophillic Substitution Bimolecular
Reaction
[SN2]

14. HYDROLYSIS REACTION
1] ACID HYDROLYSIS [H2O] { ph less than 3 }
[Co (NH3)Cl]2+ + H2O [Co (NH3)(H2O) ]2+ + Cl-
2] BASE HYDROLYSIS [-OH] { ph greter than 10 }
[Co (NH3) Cl ]2+ + HO- Co (NH3)(HO-) ]2+ + Cl-

15. 1] Acid Hydrolysis Reaction of Six Co-ordinated Co
(iii) Amine Complex
[Co (NH3)5 X ]2+ + H2O [Co (NH3)(H2O) ]3+ + X-
2] Base Hydrolysis Reaction of Six Co-ordinated Co
(iii) Amine Complex
[Co (NH3)5 X ]2+ + HO- [Co (NH3)(HO-) ]3+ + X-

16. Factor affecting acid Hydrolysis
Effect of charge on complex
[Co (NH3)5 X ]2+ [Co (NH3)5 X ]3+
Effect of chelation
p

17. 3] effect of substitution on ethelyne
diamine
4] effect of leaving group

19. ANATION REACTION
H2O molecule replace by anionic ligand
[Co (NH3)(H2O) ]2+ + Cl- [Co (NH3)(H2O) ]2+ + Cl-

21. ACCORDING TO VBT
OCTAHEDRAL COMPLEX SHOWS
1] INNER ORBITAL COMPLEXES
2] OUTER ORBITAL COMPLEXES A

22. THANK U
THE MOST WAITED SLIDE