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Aromatic hydrocarbons or arenes: their definition, types, nomenclature, and reactions.
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Aromatic hydrocarbons or arenes:They are organic hydrocarbon compounds that contain at least one benzene ring.
Gasoline:
It is the simplest aromatic compound.
The molecular formula of benzene is C6H6
The structural formula of gasoline is a regular hexagonal ring containing 6 identical carbon atoms connected to six hydrogen atoms. Inside the ring there are 3 double bonds interchangeable with 3 single bonds that are not centered in a specific position in what is called resonance.
The first person to establish the structural formula for gasoline was the scientist August Kekulé, who suggested that gasoline has two formulas due to resonance.
Resonance in gasoline makes it lower in energy and therefore more stable
Resonance in benzene affects its chemical activity, making it more likely to react by substitution than by addition.
Preparation of gasoline
It is prepared in industry from destructive distillation of coal and from the polymerization of acetylene gas or the reduction of phenol.
It is prepared in the laboratory by dry distillation of anhydrous sodium benzoate salt by heating it with soda lime.
Benzene reacts in addition only with hydrogen (catalytic hydrogenation), forming cyclohexane, and also with chlorine in direct sunlight and high temperature, forming hexachlorocyclohexane.
Benzene tends to react by electrophilic substitution, such as halogenation, sulfonation, nitration, alkylation, and acylation.
Extra information
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Bring a tablet or laptop.Location
At student's location: Around Ras al-Khaimah, United Arab Emirates
At student's location: Around Ras al-Khaimah, United Arab Emirates
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Use ⊞+wheel to zoom!
About Me
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Specialized chemistry teacher.23 years of experience in teaching.
He holds a master's degree in chemistry and postgraduate studies in education and teaching methods.
I teach chemistry in Arabic and English for the secondary and university levels.
I study all curricula within the UAE.
I teach preparation methods for EMSAT tests.
I study the scope of work in Ras Al Khaimah.
I study online all over the world.
Education
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He holds a pre-master’s degree in chemistry, Faculty of Science, Mansoura University, 2020Master’s researcher in Pharmaceutical Organic Chemistry, Faculty of Science, Mansoura University, 2024
He holds postgraduate studies in education and modern teaching methods, Faculty of Education, Zagazig University, 2008
He holds a Bachelor of Science, Special Chemistry Division, 2000
Experience / Qualifications
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I have 23 years of experience in teaching Chemistry & Physics & Science in the Arab Republic of Egypt and the Gulf countries.Ask a question
Send a message explaining your needs and Mohamed will reply soon:
The more detail, the better.
Ex. "Hi, when are you available to meet for a lesson?"
Ex. "Hi, when are you available to meet for a lesson?"
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from $50.48At student's home
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- Instructor since April 2024
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from $50.48At student's home
Good-fit Instructor Guarantee
If you are not satisfied after your first lesson, Apprentus will find you another instructor or will refund your first lesson.
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