LECTURE : C 09 CHAPTER 02 : ORGANIC CHEMISTRY Online Class Study...2020/07/20 · CHEMISTRY 2ND...
Transcript of LECTURE : C 09 CHAPTER 02 : ORGANIC CHEMISTRY Online Class Study...2020/07/20 · CHEMISTRY 2ND...
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CLASS XII ACADEMIC PROGRAMM 2020
CHEMISTRY 2ND PAPER
CHAPTER 02 : ORGANIC CHEMISTRY
www.udvash.com
LECTURE : C 09
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Organic Reaction
Addition Elimination Substitution Isomeric
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General Preparation of Alkenes
1. Dehydration from alcohol
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General Preparation of Alkenes
2. Removal of hydrogen halide from alkyl halide
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General Preparation of Alkenes
3. Removal of halogen from vicinal di-halide
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General Preparation of Alkynes
01.from calcium carbide
2.From tetra halo alkane
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General Preparation of Alkynes
3. From vicinal di-halo alkane
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Chemical Reactions of Alkenes & Alkynes
shows mainly 5 types of reaction.
For example:
1. electrophilic addition reaction
2. Ozonolysis
3. oxidation reation
4. polymerisation
5.Substitution reaction (acidity)
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Chemical Reactivity of Alkenes & Alkynes
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Acidity of Alkyne
Substitution Reaction
H − C ≡ C − H → −C ≡ C − +2H 2.CH − C ≡ C − CH
(ii) With Sodium
Ammoniacal cuprous chloride solution
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Electrophilic Addition ReactionHydrogenation
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Electrophilic Addition Reaction
Addition of Halogens
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Electrophilic Addition Reaction
Addition of Halogen Acids
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Electrophilic Addition Reaction
Markownikov’s Rule
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Electrophilic Addition Reaction
Anti Markownikov’s Rule
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Electrophilic Addition Reaction
Addition of Hypohalous Acid
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Electrophilic Addition Reaction
Addition of Water : Hydration
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Ozonolysis of Alkenes
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Ozonolysis of Alkynes
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Oxidation of Alkenes
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Oxidation of Alkynes
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Test for unsaturation:
test of bromine solution
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Test for unsaturation:
Baeyer Test
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Polymerization of Alkene
Addition or Chain Polymerisations
The polymerisation in which monomer molecules connected to each other one after another to form large chain polymer without
removing any smaller part and molecular mass of polymer is multiple of molecular mass of monomer is called Addition or Chain
Polymerisation.
(i)polythene
(ii) polypropene
(iii) polychloroethene (poly vinyl chloride)
(iv) poly phenyl ethene (polystyrene) etc
(v) polytetrachloroethene
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Polymerization of Alkene
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Polymerization of Alkyne
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