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ഒരുങ്ങാം +2 കെമിസ്ട്രി പരീക്ഷക്ക്(+2 കെമിസ്ട്രി മോഡൽ ക്വസ്റ്റ്യൻ
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2022 ലെ പ്ലസ്ടു പരീക്ഷയുടെ ചോദ്യപേപ്പർ ഘടന എളുപ്പത്തിൽ മനസ്സിലാക്കാം. 60
മാർക്കിൻ്റെയും 80 മാർക്കിൻ്റെയും ഘടനരീതി
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16 CHAPTERS | QUICK REVISION
1. Solid State
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2. Solutions
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3. Electro Chemistry
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4. Chemical Kinetics
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5. Surface Chemistry
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6. General Principles and Processes of Isolation of Elements
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7. The p-Block Elements
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8. The d and f Block Elements
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9. Coordination Compounds
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10. Haloalkane and Haloarene
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11. Alcohol, Phenol and Ethers
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12. Aldehyde, Ketone and Carboxylic acid
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13. Amines
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14. Biomolecules
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15. Polymers
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16. Chemistry in Everyday Life
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PLUS TWO CHEMISTRY KERALA HIGHER SECONDARY
EXAMINATION
PREVIOUS QUESTIONS AND ANSWERS BASED ON FOCUS 2022 CLASSES ( 23 CLASSES)
OUT-OF-FOCUS AREA (16 CLASSES)
16 CHAPTERS-TOTAL 39 CLASSES.
20 SET QUESTION PAPERS
വിശദീകരണം മലയാളത്തിൽ.
1. THE SOLID-STATE
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2. SOLUTIONS
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3. ELECTROCHEMISTRY
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4. CHEMICAL KINETICS
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5. SURFACE CHEMISTRY
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6. GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
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7. P- BLOCK ELEMENTS
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8. D & F BLOCK ELEMENTS
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9. COORDINATION COMPOUNDS
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10. HALOALKANES & HALOARENES
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11. ALCOHOLS, PHENOLS AND ETHERS
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12. ALDEHYDES, KETONES AND CARBOXYLIC ACIDS
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13. AMINES
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14. BIOMOLECULES
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15. POLYMERS
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16. CHEMISTRY IN EVERYDAY LIFE
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+2 CHEMISTRY IMPORTANT QUESTIONS (CHAPTER-WISE)
CHAPTER 1-SOLID STATE
1. Write the molecular formula of a solid in which *P* occupies all
corners and *Q* occupies the center of all faces of a cubic lattice.
2. What is anisotropy? which type of solids shows this
property?
3. Draw and calculate the number of particles in body centred , face
centred, and simple cubic lattices
4. Write the difference between Schottky defect and Frenkel defect
5. What are f centers?
6. Based on band theory explain conductivity in conductors semiconductors
and insulators
7. Write notes on paramagnetism diamagnetism ferromagnetism
antiferromagnetism and ferrimagnetism
8. Write the difference between tetrahedral voids and octahedral
voids
9. Explain three different types of three-dimensional close
packing
10)Write 2 differences between crystal & Amorphous solids.
CHAPTER 2-SOLUTIONS
1. State Henry's law and write any two applications.
2. State Raoult's law.
3. Why Raoult's law is considered as a special case of Henry's
law?
4. What are ideal solutions?
5. A mixture of chloroform and Acetone shows which type of deviation?
Explain with the help of a graph.
6. What are colligative properties? Give examples.
7. What are azeotropes?
8. What is osmotic pressure?
9. Explain the principle of reverse osmosis?
CHAPTER 3-ELECTROCHEMISTRY
1. Write Nernst equation for Daniel cell and Mention the
cathode and anode
2. Explain the variation of conductivity and molar conductance with
concentration
3. Write the difference between primary cell and secondary
cell?
4. Write the anode reaction, cathode reaction, and complete cell
reaction for anyone primary cell and secondary cell
5. What is corrosion? write any four methods for the prevention of
corrotion?
6. Write down the cathode and anode reaction and complete cell reaction
for daniel cell and write its representation.
7. Select three strong electrolytes that can be used to determine the
conductance of Acetic acid, CH3COOH.
CHAPTER 4-CHEMICAL KINETICS
1. What is order of a reaction?
2. Explain the molecularity of a reaction?
3. Which are the factors affecting the rate of the reaction?
4. Write the integral equation for first-order reaction?
5. Write the equation for the calculation of the half-life period
of a first-order reaction.
6. What are pseudo first-order reactions?
7. Write down Arrhenius equation and explain it's terms
8. Explain the variation of rate of a reaction with
temperature
CHAPTER 5 -SURFACE CHEMISTRY
1. Write the differences between physical adsorption and chemical
adsorption
2. Name the relation that connects the extent of adsorption with
pressure, draw a graph connecting the same.
3. Write any four applications of adsorption
4. Differentiate between Homogeneous catalysis and heterogeneous
catalysis Activity and selectivity
Lyophilic colloids and lyophobic colloids
Macromolecular colloids and multimolecular colloids and associated
colloids
5. What are shape-selective catalysts? give example
6. What is micelle, micelle concentration and kraft
temperature
7. Define
Bredig's Arc method
Peptization
Tyndall effect
Brownian movement
Electrophoresis
Coagulation
Hardy schulze rule
8. Explain the mechanism of heterogeneous catalysis on the basis of
adsorption
9. What are emulsions, which are different types of emulsions? give
examples
10. Write any four applications of colloids
CHAPTER 6-METALLURGY
1. What are the stages of purifying a metal from it's ore? Give examples
for each
2. Write any 2 differences between calcination and roasting?
3. Explain
a. Froth floatation
b. Leaching
4. Write necessary conditions for
a. Hydraulic washing
b. Magnetic separation
5. Which method is used for dressing sulphide ores?
6. Define
a. Depressant
b. Collector
c. Stabilizer
7. Explain Zone refining and Vapour phase refining
8. Explain the entire process of extraction of Iron with reactions.
9. Differentiate between Gangue, flux and Slag
10. What is an Ellingham Diagram and state its principle.What are it's
limitations?
11. Based on Ellingham Diagram, explain why coke cannot reduce Alumina
.
12. Differentiate between pig iron , cast iron and wrought iron.
13. Which method is used for refining Al?
Explain why the graphite anode is regularly replaced in that
process?
CHAPTER 7-P BLOCK ELEMENTS
1. Why does Ammonia act as a Lewis base
2. Dinitrogen is inert at room temperature.Why?
3. Name oxoacids of Nitrogen and sulphur
4. Draw the structure of Phosphorus pentachloride
5. What are interhalogen compounds, give examples
6. Inter halogen compounds are more reactive than halogens why
Or
Why ICl is more reactive than Iodine
7. Why PCl3 and PCl5 fumes in moist air
8. Explain the manufacture of ammonia (Haber process),nitric acid
(Ostwald's process) and sulphuric acid(Contact Process)
9. Give any two uses of ammonia, nitric acid, sulphuric acid, and
noble gas
10. Write any two compounds of Xenon
11. Draw the Draw the structures of XeO3 and XeF6
CHAPTER 8-d & f BLOCK ELEMENTS
1. What are transition and inner transition elements?
2. Zn, Cd and Hg are not considered as transition elements.
why?
3. Transition elements are paramagnetic.Account for it.
4. Transition elements form coloured compounds.give reason.
5. Why transition elements can form a number of complexes?
6. Transition elements are good catalysts, why?
7. Explain the preparation of potassium dichromate and potassium
permanganate.
8. Draw the structure of chromate ion and dichromate ion
9. Draw the structure of manganate and permanganate ions
10. What is lanthanoid contraction?,what is the reason for it?
11. What are the consequences of Lanthanide contraction?
12. What are the uses of d and f block elements?
CHAPTER 10-CO ORDINATE COMPOUNDS
1)Give the IUPAC names of the following:
a) K4[Fe(CN)6]
b) [Fe(H2O)6]SO4
2)Represent the following:
a) Hexamminecobalt(lll)chloride
b) Tetraaquadihydroxidochromium(lll)chloride
3)Write the co ordination number, oxidation state of metal in the
following.
a) Li[AlH4]
b) Fe(NH3)6]SO4
4)Name the four structural isomers....
5) Name the type of isomerism shown by [Fe(NH3)3(H2O)3]Cl3.
6)Represent geometrical isomers of the following:
K2[PtCl4Br2].
7)Represent the optical isomers of [Cu(en)3]SO4
CHAPTER 10-Haloalkanes & Haloarenes
1)Write three differences between SN1 rn.and SN2 rn.
2)Explain Sandmeyer's reaction.
3)Chlorobenzene is very less reactive.Why?
4)Write two examples for Nucleophilic substitution reaction of
chloroethane.
5) Write two examples for polyhalogen compounds.
6)Explain Friedel -Crafts alkylation reaction of
chlorobenzene.?...
7)What will be the product formed when Chlorobenzene is treated with
nitrating mixture...?
Chapter 11-Alcohols Phenols & Ethers
What will be the product formed when formaldehyde is treated with
Methylmagnesium bromide and subjected to hydrolysis....
Write the equation.
2)Convert chlorobenzene to phenol.Write equations.
3)Using a suitable example explain Kolbe's reaction.
4) Explain the manufacture of ethanol from molasses.
5) Describe Lucas test for distinquishing alcohols.
6) Explain Williamson's synthesis using a suitable example.
7) What is anisole? What will be the product formed when anisole is
treated with HI, hydogen iodide.
8)What is picric acid.? Convert phenol to picric acid.Write
equation.
9) Alcohols are soluble in water.What is the reason.?
Chapter 12-Aldehydes, ketones &Carboxylic acids
1) Explain Rosenmund's reduction with a suitable example.
2) Convert toluene to benzaldehyde.Write equations.
3) Explain Gatterman - Koch reaction.write equation.
4)Explain Clemmenson reduction with a suitable example.
5) Describe Wolff Kishner reduction using an example.
6) Explain Aldol condensation.
7) Describe Cannizzaro reaction with a suitable example.
8) Chloroacetic acid is a stronger acid than acetic acid.Why?
9)Explain HVZ Reaction, with example.
CHAPTER 13-AMINES
1)Write one example for a secondary amine.Give its IUPAC Name.
2) Explain Hoffmann bromamide reaction.Write equation.
3)Methyl amines are more basic than ammonia.Why?
4) Suggest a method for distinquish
Primary amine, Secondary amine &
Tertiary amine.
5)Explain Carbylamine reaction. Write equation.
6)What happen when aniline is treated with Bromine water.
7)Write the equation for coupling reaction of phenol with benzene
diazonium chloride
.
CHAPTER 14-BIOMOLECULES
1. Which of the following is a polysaccharide
a) Maltose b) sucrose
c) Fructose d) cellulose
2. Write any two methods of preparation of glucose
3.Write one example each of monosaccharide and oligo saccharide
4.What is invert sugar?
5.What is the basic structural difference between starch and
cellulose?
6.What are polysaccharides ?give two examples of polysaccharides
7.What is a peptide linkage?
8. What is denaturation of protein?
9. Write any three differences of RNA and DNA
10. Differentiate between nucleoside and nucleotide
11. Write the monomeric units in the following biomolecules
Starch
Protein
Nucleic acid
12. Why invert sugar is leavorotatory?
13. What is glycosidic linkage?
14. Differentiate between reducing and nonreducing sugar
CHAPTER 15 -POLYMERS
1. Classify the Polymers based on addition and condensation polymers
Terylene,PVC, bakelite, polythene
2. What is vulcanization? How is it done?
3. What are biodegradable polymers?, give examples
4. Name the monomers of Nylon 6,6 , Nylon 6, Dacron and
natural rubber
5. Differentiate between Condensation polymer and addition polymers
6.What are copolymers and homopolymers
7. What are natural polymer semi synthetic and synthetic polymers
8.Differentiate between thermoplastic and thermosetting plastic
polymers
9. How Nylon 6 is produced?
10. How Nylon 6 6 is manufactured?
CHAPTER 16-CHEMISTRY IN EVERYDAY LIFE
1. What is the purpose of using antacid? give one example
2. Differentiate between narcotic and non narcotic drugs. Give 2 examples
for each
3. "Tranquilizers and analgesics are neurologically active drugs"
What are tranquilizers? give an example
what are analgesics? give an example
4. Antiseptics and disinfectants are anti microbial drugs
(a) Write one similarity between antiseptic and disinfectant
(b) Write one difference between antiseptic and
disinfectant
5. Which compound is used as both antiseptic and disinfectant
6. Answer the following
(a)Name an organic compound which is used as both antiseptic and
disinfectant at different concentrations.
(b) Write its concentration when it is used as antiseptic and
disinfectant
Another Set of Questions
1.SOLID STATE
1) Difference between crystalline and amorphous solids
2)Crystal lattice and unit cell(definition )
3)Shottky and Frenkel defect
4) Band theory
2. SOLUTIONS
1)Henry's law and its applications
2)Raoult's law
3)Ideal and non ideal solutions
4)Colligative properties
3. ELECTROCHEMISTRY
1)Nernst equation
2)Nernst equation for Daniel cell
3)Fuel cells
4) Batteries
4. CHEMICAL KINETICS
1)Difference between order and molecularity
2)Integrated rate equation for first order reaction (Graph)
3)Half life period of first order reaction
5. SURFACE CHEMISTRY
1)Difference between physisorption and chemisorption.
2)Freundlich adsorption isotherm
3) Difference between lyophobic and lyophilic colloid
4)Cleansing action of soaps
5)properties of colloids
6. METALLURGY
1) Froth floatation method
2)Vapour phase refining
3)Extraction of iron
4)Extraction of aluminium
7. P BLOCK ELEMENTS
1)Ammonia
2)Nitric acid
3)Sulphuric acid
4)Inter halogen compounds
8.D AND F BLOCK ELEMENTS
1)Pottassium dichromate
2)Pottassium permanganate
3)Applications of D and F block elements
9. COO ORDINATION COMPOUNDS
1)Nomenclature
2)structural isomerism
3)Application of coordination complex
10. HALOALKANES AND HALOARENES
1)Sandmeyer's reaction
2)Difference between SN1 and SN 2 reactions
3)Halogenation
4)Nitration
5)Sulphonation
6)Friedel craft alkylation
7)Friedel craft acylation
11. ALCOHOLS PHENOLS AND ETHERS
1)From Grignard reagent
2)Nitration of phenol
3)Riemer Tiemann reaction
4)Williamson synthesis
12. ALDEHYDES KETONES AND CARBOXYLIC ACIDS
1)Rosenmund reduction
2)Gattermann koch reaction
3)Etard reaction
4)Clemmensen reduction
5)Wolf Kishner reduction
6)aTest to distinguish between aldehyde and ketone
7)Cannizaro reaction
13. Amines
1)Hoffmann bromamide degradation
2)Carbyl amine reaction
3)Hinsberg test
4)Diazotization
14. BIOMOLECULES
1)Preparation of glucose
2)Glycosidic linkage
3)Invert sugar
4)Denaturation of protein
5)Difference between DNA and RNA
15. POLYMERS
1)Preparation of
👉teflon
👉polythene
👉poly vinyl chloride
👉polystyrene
👉nylon -6,6
👉nylon -6
👉PHBV
👉nylon -2,nylon -6
2)Monomer of each polymer
16. CHEMISTRY IN EVERYDAY LIFE
1)Tranquilizers
2)Analgesics
3)Antiseptics
4)Disinfectant
5) Antacids
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