XI Unit XIV: Environmental Chemistry

Environmental pollution - air, water and soil pollution, chemical reactions in atmosphere, smog, major atmospheric pollutants, acid rain, ozone and its reactions, effects of depletion of ozone layer, greenhouse effect and global warming- pollution due to industrial wastes, green chemistry as an alternative tool for reducing pollution, strategies for control of environmental pollution.

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Study Material:

NCERT   NIOS

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Previous year question:

• CBSE
• BSEB
• Maharashtra Higher Secondary Education
• Uttar Pradesh Madhyamik Shiksha Parishad
• WBCHSE
• Directorate of Government Examinations Tamil Nadu
• Board of Secondary Education, Madhya Pradesh
• Karnataka Department of Pre-University Education
• JEE
• NEET
•  

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ANIMATIONS 

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Online MCQ Test 

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XI Unit XIII: Hydrocarbons

lassification of Hydrocarbons

Aliphatic Hydrocarbons:

Alkanes - Nomenclature, isomerism, conformation (ethane only), physical properties, chemical reactions including free radical mechanism of halogenation, combustion and pyrolysis.

Alkenes - Nomenclature, structure of double bond (ethene), geometrical isomerism, physical properties, methods of preparation, chemical reactions: addition of hydrogen, halogen, water, hydrogen halides (Markownikov's addition and peroxide effect), ozonolysis, oxidation, mechanism of electrophilic addition.

Alkynes - Nomenclature, structure of triple bond (ethyne), physical properties, methods of preparation, chemical reactions: acidic character of alkynes, addition reaction of - hydrogen, halogens, hydrogen halides and water.

Aromatic Hydrocarbons: Introduction, IUPAC nomenclature, benzene: resonance, aromaticity, chemical properties: mechanism of electrophilic substitution. nitration, sulphonation, halogenation, Friedel Craft's alkylation and acylation, directive influence of functional group in monosubstituted benzene. Carcinogenicity and toxicity.

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Study Material:

NCERT   NIOS

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Previous year question:

• CBSE
• BSEB
• Maharashtra Higher Secondary Education
• Uttar Pradesh Madhyamik Shiksha Parishad
• WBCHSE
• Directorate of Government Examinations Tamil Nadu
• Board of Secondary Education, Madhya Pradesh
• Karnataka Department of Pre-University Education
• JEE
• NEET
•  

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ANIMATIONS 

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Online MCQ Test 

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XI Unit XII: Organic Chemistry - Some Basic Principles and Technique

General introduction, methods of purification, qualitative and quantitative analysis, classification and IUPAC nomenclature of organic compounds. Electronic displacements in a covalent bond: inductive effect, electromeric effect, resonance and hyper conjugation. Homolytic and heterolytic fission of a covalent bond: free radicals, carbocations, carbanions, electrophiles and nucleophiles, types of organic reactions.

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Study Material:

NCERT   NIOS

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Previous year question:

• CBSE
• BSEB
• Maharashtra Higher Secondary Education
• Uttar Pradesh Madhyamik Shiksha Parishad
• WBCHSE
• Directorate of Government Examinations Tamil Nadu
• Board of Secondary Education, Madhya Pradesh
• Karnataka Department of Pre-University Education
• JEE
• NEET
•  

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ANIMATIONS 

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Online MCQ Test 

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XI Unit XI: Some p -block Elements

General Introduction to p - Block Elements

Group 13 Elements: General introduction, electronic configuration, occurrence, variation of properties, oxidation states, trends in chemical reactivity, anomalous properties of first element of the group, Boron - physical and chemical properties, some important compounds, Borax, Boric acid, Boron Hydrides, Aluminium: Reactions with acids and alkalies, uses.

Group 14 Elements: General introduction, electronic configuration, occurrence, variation of properties, oxidation states, trends in chemical reactivity, anomalous behaviour of first elements. Carbon-catenation, allotropic forms, physical and chemical properties; uses of some important compounds: oxides. Important compounds of Silicon and a few uses: Silicon Tetrachloride, Silicones, Silicates and Zeolites, their uses.

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Study Material:

NCERT   NIOS

................................................................................................................................................................

Previous year question:

• CBSE
• BSEB
• Maharashtra Higher Secondary Education
• Uttar Pradesh Madhyamik Shiksha Parishad
• WBCHSE
• Directorate of Government Examinations Tamil Nadu
• Board of Secondary Education, Madhya Pradesh
• Karnataka Department of Pre-University Education
• JEE
• NEET
•  

................................................................................................................................................................

ANIMATIONS 

................................................................................................................................................................

Online MCQ Test 

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