This is lesson plan for teaching Organic Chemistry Class XII of CBSE syllabus. Topic distnction of -Aldehydes and ketones , primary s ceobdary and tertiary alcohols, alcohol & phenol

1. A.K.GUPTAA.K.GUPTA
P.G.T.CHEMISTRY
KENDRIYA VIDYALAYA BALLYGUNGE
KOLKATA-700019
WESTBENGAL,INDIA
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2. Learning Objectives:Learning Objectives:
at the end of the lesson the pupil shall-at the end of the lesson the pupil shall-
• KnowKnow the structure of the compound from itsthe structure of the compound from its
common/IUPAC namecommon/IUPAC name
• Tollens reagent, Fehling's solution, ferric chloride,Tollens reagent, Fehling's solution, ferric chloride,
Iodoform test, Lucas reagent etc.Iodoform test, Lucas reagent etc.
• Understand-Understand-(I) reducing & non reducing property of(I) reducing & non reducing property of
aldehyde & ketone based on the structure of thealdehyde & ketone based on the structure of the
functional group.functional group.
• Difference in reactivity of 1Difference in reactivity of 1ºº,2,2ºº,3,3ºº alcohols towardsalcohols towards
nucleophilic reactions.nucleophilic reactions.
• Iodoform testIodoform test
• ApplyApply the knowledge gained to distinguish variousthe knowledge gained to distinguish various
given compoundsgiven compounds
• Develops SkillDevelops Skill to perform experiment, draw conclusionsto perform experiment, draw conclusions
predict ,the compound/functional group.predict ,the compound/functional group.
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3. INSTRUCTIONAL AIDS USEDINSTRUCTIONAL AIDS USED
• Power point presentation, computerPower point presentation, computer
• Chalk & Black BoardChalk & Black Board
• Chemicals, test tubes sprit lamps etcChemicals, test tubes sprit lamps etc
for demonstrationfor demonstration
• Work sheetsWork sheets
etcetc
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4. Write the structure of the followingWrite the structure of the following
compoundscompounds
Methanol Formaldehyde Benzophenone
Ethanol Acetaldehyde Pentan-2-one
Propan-1-ol Acetone Pentan-3-one
Propan-2-ol Benzaldehyde t-Butyl alcohol
Phenol Acetophenone Sec-Butyl alcohol
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5. What is ?
1 Lucas Reagent ZnCl2 + Conc HCl
2 Tollens Reagent Ammoniacal solution of Silver
nitrate .
[Ag(NH3)2]OH
3 Fehling Solution-A Aq soln of CuSO4
4 Fehling Solution-B Alkaline soln of Rochelle salt(sod
pot tartarate)
5 Iodoform Test
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6. IODOFORM TEST
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Compounds having
O OH
║ │
R─C-CH3 Or R ─C –CH3
│
H Structure on reaction with mixture of NaOH & I2 give
yellow coloured ppt of iodoform (CHI3)

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8. Tollens Test For Aldehydes
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9. Test For Phenolic –OH Group
Sample of Phenol + Neutral FeCl3 soln
Violet colouration
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10. Test for 1º,2º,3º Alcohol
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Test Observation
3º Alcohol + Lucas Reagent
ZnCl2 + Conc HCl
Turbidity appears
immediately
2º Alcohol -do- Turbidity appears
after some time
1º Alcohol -do- Turbidity does not
appear

11. 11AKG/KVB/Distinguish
TestTest ObservationObservation InferenceInference
Acetaldehyde
Benzaldehyde
Write the test to distinguish between
Acetaldehyde & Benzaldehyde

12. 12AKG/KVB/Distinguish
TestTest ObservationObservation InferenceInference
Propanone
Propan-2-ol
Write the test to distinguish between
Propanone & Propan-2-ol

13. 13AKG/KVB/Distinguish
TestTest ObservationObservation InferenceInference
Methanol
Ethanol
Write the test to distinguish between
Ethanol & Methanol

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TestTest ObservationObservation InferenceInference
Acetophenone
Benzophenone
Write the test to distinguish between
Acetophenone & Benzophenone

15. 15AKG/KVB/Distinguish
TestTest ObservationObservation InferenceInference
Ethanal
Propanal
Write the test to distinguish between
Ethanal & Propanal

16. 16AKG/KVB/Distinguish
TestTest ObservationObservation InferenceInference
Benzaldehyde
Acetophenone
Write the test to distinguish between
Benzaldehyde & Acetophenone

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TestTest ObservationObservation InferenceInference
Propanone
Propanal
Write the test to distinguish between
Propanone & Propanal

18. 18AKG/KVB/Distinguish
TestTest ObservationObservation InferenceInference
Penta-2-one
Pentan-3-one
Write the test to distinguish between
Penta-2-one & Pentan-3-one

19. 19AKG/KVB/Distinguish
TestTest ObservationObservation InferenceInference
1-Propanol
2-Propanol
Write the test to distinguish between
1-Propanol & 2-Propanol

20. REFERNCEREFERNCE
• Learning to teach –by Linda Shalaway
(scholastic professional books )
• Starko, A.J. Creativity in the Classroom.
White Plains, N.Y;Publishers,1995
• Modern’s ABC of Chemistry – Dr.S.P.Jauhar;
Modern Publication.
• http://www.classroom.net
• http://gsn.org
• http://scholastic.com/Instructor
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