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182 private teachers in Benin

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182 private teachers in Benin

Political science · Communication skills · Public speaking
Trusted teacher: In the IGCSE and CIE (AS/A Level) Biology and Chemistry curricula, Organic Chemistry is a major topic, particularly within Chemistry. Here's a breakdown of what is covered at each level: --- IGCSE Chemistry (Cambridge - 0620/0971) In IGCSE, Organic Chemistry focuses on the fundamentals of carbon compounds and their reactions. Key areas include: 1. Introduction to Organic Chemistry - Definition: Organic chemistry is the study of carbon-based compounds. - Hydrocarbons: Compounds made up of carbon and hydrogen only. 2. Types of Hydrocarbons - Alkanes: - General formula: CnH2n+2 - Properties: Saturated hydrocarbons (single bonds). - Combustion and substitution reactions. - Alkenes: - General formula: CnH2n - Properties: Unsaturated hydrocarbons (double bonds). - Addition reactions (e.g., with bromine water as a test for alkenes). 3. Functional Groups and Homologous Series - Alcohols: General formula CnH2n+1OH (e.g., ethanol). - Properties and combustion. - Carboxylic Acids: General formula CnH2n+1COOH(e.g., ethanoic acid). - Weak acids, their reactions, and uses. 4. Polymers - Addition Polymerization: Formation of polymers from alkenes (e.g., poly(ethene), poly(propene)). - Natural and Synthetic Polymers: Proteins, nylon, and plastics. - Environmental Issues: Problems with non-biodegradable plastics. --- CIE AS and A Level Chemistry (9701) At the AS/A Level, Organic Chemistry is studied in greater depth, with emphasis on structure, reactions, and mechanisms. Key topics include: 1. Structure and Bonding in Organic Compounds - Structural, displayed, and skeletal formulas. - somerism: - Structural isomers. - Stereoisomerism: cis-trans(E/Z) isomerism. 2. Functional Groups and Reactions - Alkanes: Combustion and free radical substitution reactions. - Alkenes: Addition reactions (e.g., hydrogenation, halogenation, hydration). - Alcohols: Preparation (hydration of ethene) and oxidation (to aldehydes, ketones, or carboxylic acids). - Halogenoalkanes: Nucleophilic substitution reactions. - Carboxylic Acids: Reactions (e.g., neutralization, esterification). - Esters: Formation and hydrolysis. 3. Mechanisms of Reactions - Free radical substitution (e.g., in alkanes). - Electrophilic addition (e.g., in alkenes). - Nucleophilic substitution (e.g., in halogenoalkanes). 4. Polymers and Biochemistry - Addition and condensation polymers. - Structure of proteins and DNA. 5. Organic Synthesis - Pathways for converting one functional group to another. - Use of reagents, conditions, and mechanisms in synthesis. Summary - IGCSE Organic Chemistry focuses on basic hydrocarbons (alkanes, alkenes), functional groups (alcohols, carboxylic acids), and polymers. - AS/A Level Organic Chemistry goes deeper into mechanisms, isomerism, synthesis pathways, and advanced functional groups.
Chemistry · Organic chemistry
Social studies · Communication skills
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French Language for all levels, and all ages Best Way (Riyadh)
Amine
I’m a beginner in French, I am incredibly grateful for the opportunity to learn with Amine. He’s not only kind and understanding, but he also knows how to make lessons feel really manageable. He takes the time to explain things in a way that’s easy to follow, and I never feel overwhelmed even when we cover new material. The syllabus he puts together is perfectly structured, making it easy for me to keep up without feeling stressed. I really appreciate how he adjusts the pace to fit my needs, and it makes learning feel both comfortable and motivating. Thanks to him, I’m feeling more confident with my French And I’m looking forward to continuing my French learning journey with him
Review by MUSTAFA
Arabic language and teaching Arabic to non-native speakers, foreigners and beginners. (Riyadh)
Hiyam
We are absolute beginners and Mrs. Hiyam made it super easy for us to dive in the lessons and in just 3 lessons we learned half of the alphabet and pronounciation. Now I can read most of the signs in the street. We will continue learning with her. We are new in Riyadh and she was so kind to come to our house to teach us. She is very sweet and smart! You will not regret any minute with her .
Review by MIRIAM
Private Japanese lessons in Kanagawa and Tokyo area (Sagamihara)
Hoshi
Hoshi is amazing. She is very friendly, reliable, and enthusiastic. My kids really enjoy her and I feel grateful to have found her!
Review by RENÉE

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