Manipur Board Class 12 Syllabus 2027 Chemistry

FOR MANIPUR CLASS 12 PREPARATION

Manipur Board Class
12 Syllabus 2027
Chemistry
EXAM YEAR TYPE SUBJECT

Manipur Class 12 2027 Syllabus Chemistry

Notes · Sample Papers · Previous Year Papers · Mock Tests

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CHEMISTRY
THEORY
Class XII
One Paper Time : 3 Hours Marks : 70
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Units Titles
m No. of Periods Marks
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I.
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Solutions 18
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II.
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25
III.
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V.
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IV. d- and f-Block elements
Coordination compounds
18
16
VI. Haloalkanes and Haloarenes 18
VII. Alcohols, Phenols and Ethers 16 30
VIII. Aldehydes, Ketones and Carboxylic acids 18
IX. Amines 10
X. Biomolecules 12
Total = 160 70

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Unit I: Solutions
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e of concentration of solutions of solids
(Periods 18)
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la in liquids, solid solutions, colligative
Types of solutions, expression
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in liquids, solubility of gases
a of vapour pressure, Raoult’s law, elevation
properties - relative lowering
of boiling point, depression of freezing point, osmotic pressure,
determination of molecular masses using colligative properties, abnormal
molecular mass, van’t Hoff factor and calculations involving it.

Unit II: Electrochemistry (Periods 18)
Electrochemical cells, Galvanic cells, EMF of a cell, tandard
electrode potential, Nernst Equation, Relation between Gibbs energy
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m change and EMF of a cell, Conductance of Electrolytic Solutions,
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m .co Kohlrausch’s law, Electrolytic Cells and Electrolysis, Batteries, Fuel
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s e cells and corrosion.
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a Rate of a reaction (average and instantaneous), factors affecting rates
of reaction : concentration, temperature, catalyst; order and molecularity
of reactions; rate law and specific rate constant, integrated rate equations
and half-life (only for zero and first order reactions); concept of collision
theory (elementary idea, no mathematical treatment), Activation energy,
Arrhenious equation.

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Unit IV: The d- and f- Block Elements (Periods 18)
General introduction, electronic configuration, occurence and characteristics
of transition metals, general trends in properties of the first row transition metals
- metallic character, ionization enthalpy, oxidation states, ionic radii, colour,
catalytic property, magnetic properties, interstitial compounds, alloy formation,
preparation and properties of K2Cr2O7 and KMnO4.
Lanthanoids - electronic configuration, oxidation states, chemical reactivity
and lanthanoid contraction and its consequences.
Actinoids - Electronic configuration, oxidation states and comparison with
lanthanoids.

Some application d- and f- Block elements.

Unit V: Coordination Compounds (Periods 16)
Werner’s Theory of coordination Compound, Difinition of some important
terms pertaining to Coordination Compounds, Nomenclature of Coordination
compouds, isomerism in coordination compounds, Bonding in coordination
compounds, Bonding in metal carbonyl, stability of coordination compounds
and importance and application of coordination compounds.

Unit VI: Haloalkanes and Haloarenes (Periods 18)
Haloalkanes : Classification, Nomenclature, nature of C-X bond, Method
of preparation of Haloalkanes, physical and chemical properties, mechanism
and stereochemical asoects of nucleophilic of substitution reactions.
Haloarenes : Nature of C-X bond, method of preparation of Haloarenes
substitution reactions (directive influence of halogen for mono substituted
compounds only) Uses and environmental effects of- dichloromethane,
trichloromethane, tetrachloromethane, iodoform, freons DDT.

Unit VII: Alcohols, Phenols and Ethers (Periods 16)
Classification, Nomenclature and structures of functional groups,
preparations, physical properties and reactions of alcohols and phenols,
Mechanism of dehydration, some commercially important alcohols-
methanol and ethanol. Preparation, Physical properties and chemical reactions
of Ethers.
Unit VIII: Aldehydes, Ketones and Carboxylic acids (Periods 18)
Nomenclature and structure of carbonyl group, preparation of aldehydes
and ketones, physical properties and chemical reactions, mechanism of
nucleophitic addition, uses of aldehydes and ketones. Nomenclature and
structure of carboxyl groups - Methods of Preparation of Carboxyclic acids,
physical properties and chemical reactions, uses of carboxylic acids.

For more Question Papers, Sample Papers, Notes & Syllabus visit Page 2 of 9

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Unit IX: Amines: (Periods 10)
Structure of Amines, classification and nomenclature of amines,
preparation of amines, physical properties and chemical reactions, Methods of
preparation of diazonium salts , physical properties, chemical reactions and its
importance in synthesis of aromatic compounds.
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Unit X: Biomolecules m (Periods 12) .co
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Carbohydrates : Classification, Structure of glucose and fructose,
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monosaccharides, disaccharides (sucrose, lactose, maltose), D,L -
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Protiens : Aminoacids and its classification, peptide bond and
peptides, classification and structure of protein and denaturation of
protein.
Enzymes : Mechanism of Enzyme action.
Vitamins : Classification and Importance of Vitamins.
Nucleic acids : Chemical compostion, function of nucleic acids.
Hormones : Its functions.
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CHEMISTRY
PRACTICALS
CLASS- XII

Evaluation scheme for Examination Marks
A Volumetric Analysis 08
B Qualitative Analysis of Salt 08
C Content Based Experiment 05
D Project Work 05
E Class Record 02
F Viva Voce 02
Total = 30

Practical Syllabus (60 Periods)

A. Volumetric Analysis (8 Periods)

Determination of concentration/molarity of KMnO4 solution by titrating it against a
standard solution of:

(a) Oxalic acid
(b) Ferrous ammonium sulphate
(Students will be required to prepare standard solutions by weighing themselves)

B. Qualitative analysis (15 Periods)

Determination of one cation and one anion in a given salt

Cations : Pb+2, Cu+2, As3+, Fe3+, Mn2+, Ni2+, Zn2+, Co2+, Ca2+, Sr2+, Ba2+, Mg2+, NH4+
Anions : CO32-, S2-, SO32- , SO42-, NO2- , NO3-, Cl-, Br-, I-, PO43-, C2O42-, CH3COO-

(Note : Insoluble salts Excluded)

C. Content Based Experiments

1. Chemical Kinetics: (7 Periods)

(a) Effect of concentration and temperature on the rate of reaction between sodium
thiosulphate and hydrochloric acid.

For more Question Papers, Sample Papers, Notes & Syllabus visit Page 4 of 9

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(b) Study of reaction rates of any one of the following:
(i) Reaction of iodide ion with hydrogen peroxide at room temperature using
different concentrations of iodide ions.
(ii) Reaction between potassium iodate, KIO3 and sodium sulphite, Na2SO3
using starch solution as indicator (Clock reaction).
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2. Thermohemistry
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(7 Periods) .co
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Any one of the following experiments: s e
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(a) a Enthalpy of dissolution of copper sulphate or potassium nitrate. a
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g Enthalpy of neutralization of strong acid(HCl) and strong base (NaOH).
a(b)
(c) Determination of enthalpy change during interaction (Hydrogen bond formation)
between acetone and chloroform,

3. Electrochemistry (3 Periods)
Variation of cell potential in Zn/Zn2+//Cu2+/Cu with change in concentration of
electrolytes (CusO4 or ZnSO4) at room temperature.

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4. Chromatography (3 Periods)
(a) Separation of pigments from extracts of leaves and flowers by paper
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(b) las
chromatography and determination of Rf values.
Separation of constituents present in an inorganic mixture containing two
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cations only (constituents having wide difference in Rf values to be provided).

5. Preparation of Inorganic compounds (2 Periods)
(a) Preparation of double salt of ferrous ammonium sulphate or potash alum.
(b) Preparation of potassium ferric oxalate.

6. Preparation of Organic compounds (4 Periods)

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Preparation of any two of the following compounds:
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(a) Acetanilide
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(b) Di-benzal acetone
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(e)
Aniline yellow or 2-Naphthol aniline dye
Iodoform
7. Test for Functional Groups in Organic compounds (6 Periods)
Unsaturation, alcoholic, phenolic, aldehydic, ketonic, carboxylic and amino (primary) groups.

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8. Characteristic tests for carbohydrates, fats and proteins in pure samples
and their detection in given Food Stuffs. (4 Periods)
D. PROJECT WORK
Scientific investigations involving laboratory testing and collecting information from other
sources.
A few suggested Projects.
(i) Study of the presence of oxalate ions in guava fruit at different stages of ripening.

(ii) Study of quantity of casein present in different samples of milk.

(iii) Preparation of soybean milk and its comparison with the natural milk with respect to curd
formation, effect of temperature, etc.

(iv) Study of the effect of Potassium Bisulphate as food preservative under various
conditions (temperature, concentration, time, etc.)

(v) Study of digestion of starch by salivary amylase and effect of pH and temperature on it.

(vi) Comparative study of the rate of fermentation of following materials: wheat flour, gram
flour, potato juice, carrot juice, etc.

(vii) Extraction of essential oils present in Saunf (aniseed), Ajwain (carum), Illaichi (cardamom).

(viii) Study of common food adulterants in fat, oil, butter, sugar, turmeric power, chilli powder
and pepper.

Note: Any other investigatory project, which involves about 10 periods of work, can be
chosen with the approval of the teacher.

E. CLASS RECORD

F. VIVA VOCE

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For more Question Papers, Sample Papers, Notes & Syllabus visit Page 6 of 9

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Prescribed Textbooks :

1. Chemistry Part - I
Textbook for Class-XII.
Published by : NCERT, New Delhi.
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2. Chemistry Part - II
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Textbook for Class-XII.
Published by : NCERT, New Delhi. e m
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Reference Book :
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1. Pradeep’s New Course Chemistry for Class XII (Vol- I & II)
By : S.C. Kheterpal, S.N. Dhawan & P.N. Kapil
Published by : Pradeep Publications, Jalandhar.

2. Dinesh Companion Chemistry for Class XII (Vol. I & II)
By : S.K. Malhotra
Published by : S. Dinesh & Co., Jalandhar City

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3. Saraswati Lab Manual Chemistry for Class XII (NCF 2023 Aligned)
By : R.P. Manchanda.
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Published by : New Saraswati House (India) Pvt. Ltd., New Delhi - 110002.

4. Comprehensive Practicala gla for Class XII (New Edition)
Chemistry
By :Dr. N.K. Verma, Dr B.K. Vermani and Dr. Neera Verma
Published by : Laxmi Publications (P) Ltd., New Delhi - 110 002.

5. A Textbook of Practical Chemistry for Class XII
By : Dr. N. Nila Singh and Dr. K. Nabachandra Singh
Published by : Writer’s Book Store, Paona Bazar, Imphal

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DESIGN OF
QUESTION PAPER
Subject : CHEMISTRY
Paper : Theory
Class : XII
Time : 3 hours
Full Marks : 70

WEIGHTAGE TO OBJECTIVES:
Objectives Marks Percentage
Knowledge(K) 10 15
Understanding(U) 35 50
I Application(A)
21 30
Including Analysis, Synthesis and Evaluation
Skill(S) 4 5
Total: 70 100
WEIGHTAGE TO FORMS OF QUESTIONS:
Forms of Questions No. of Question Time (in minute) Marks Percentage
Essay/Long Answer(E/LA) 3 60 15 21
II Short Answer (SA-I) 6 36 18 26
Short Answer (SA-II) 10 40 20 29
Very Short Answer (VSA) 7 21 7 10
MCQ 10 23 10 14
Total: 36 180 70 100
WEIGHTAGE TO CONTENT:
Sl.No UNITS/CONTENTS: Marks
1 I. Solutions
2 II. Electrochemistry 25
III 3 III. Chemical Kinetics
4 IV. d- and f- Block Elements
15
5 V. Coordination compounds
6 VI. Haloalkanes and Haloarenes
7 VII. Alcohols, Phenols and Ethers
8 VIII. Aldehydes, Ketones and Carboxylic acids 30
9 IX. Amines
10 X. Biomolecules
Total: 70
Note: A minimum of 4 marks must be allotted to each unit
IV SCHEME OF SECTIONS : Nil
V SCHEME OF OPTIONS :
1. Internal option will be given in Essay Type Question.
2. Internal option will be given in three questions of SA-I including one case- study based question.
VI DIFFICULTY LEVEL:
Difficult : 35% of the total marks
Average : 50% of the total marks
Easy : 15% of the total marks

Abbreviation: K(Knowledge), U(Understanding), A(Application), C(Comprehension), Exp.(Expression),
S(Skill), E(Essay Type), SA(Short Answer Type), VSA(Very Short Answer Type),
MCQ (Multiple Choice Question)

NOTE- (i) Two questions out of 10 (ten) questions of MCQ will be assertion & reason type question.
(ii) Only one question of SA-I will be Case Study based question.

For more Question Papers, Sample Papers, Notes & Syllabus visit Page 8 of 9

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DESIGN OF
QUESTION PAPER g l a
Subject: CHEMISTRY a
Paper: Practical (One Paper)
Class: XII
Full Marks: 30
Time: 3 hours
Skill to be tested
Sl. Form of Related Estimated
Nature of Exercise Manipula- Observat- Drawing Report- Total
No. Exercise Under- Time
tive Skill ional Skill Skill ing Skill Marks
standing (Mins.)
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1 Category A Quantitative Estimation 1 3 0 2 2 8 45
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Category B Qualitative Analysis 1 1 0 4 2 8
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Any one of the Experiments in the category

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C of the syllabus may be given 1 1 0 2 1 5
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Eg.
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aand temperature on the rate of reaction
Chemical

between sodium thiosulphate and
hydrochloric acid.
Or,
Thermochemistry: Enthalpy of dissolution
of copper sulphate or potassium nitrate.
Or,
Electrochemistry: Variation of cell potential
in Zn/Zn2+//Cu2+/Cu with change in
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concentration of electrolytes (CusO4 or
ZnSO4) at room temperature.
Or,
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3 Category C
Surface chemistry: Preparation of one
lyophilic or one lyophobic sol.
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Or,
Preparation of an Inorganic compound: ag
preparation of double salt of ferrous
ammonium sulphate or potash alum or
potassium ferric oxalate.
Or,
Preparation of one Organic compound:
Acetanilideor Di-benzal acetone or P-Nitro
acetanilide or Aniline yellow or 2-Naphthol
aniline dye or iodoform
Or,
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Test for Functional Groups in Organic
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compounds:
Or,
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detection in given Food Stuffs.
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involving laboratory testing and collecting 1 1 0 2 1
Project
4 information from other sources in one of the
Work
areas suggested in syllabus or any other 5
innovative topic should be submitted. 15
Class
5 2
record
6 Viva Voce 2
TOTAL 30 180

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