IB Chemistry Topic R3.4.5 Electrophilic Attack Revision Notes (SL/HL)

IB Chemistry Topic R3.4.5 Electrophilic Attack Revision Notes (SL/HL) | RevisionDojo

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Reactions of Alkenes: Electrophilic Addition and Mechanism

Alkenes are hydrocarbons that contain at least one carbon-carbon double bond (C=C).
This double bond consists of two parts: a strong sigma (σ) bond and a weaker pi (π) bond.
The pi bond lies above and below the plane of the molecule, making it a region of high electron density.
This electron-rich area is highly attractive to electrophiles, species that are electron-deficient and seek out electrons to form bonds.
Electrophiles are molecules or ions that accept a pair of electrons to form a covalent bond.
When alkenes encounter electrophiles, they undergo electrophilic addition reactions, where the double bond is broken, and new covalent bonds are formed.

Example

Examples include halogen molecules (e.g., $Br_2$), hydrogen halides (e.g., HBr), and protons $H^+$ in acidic solutions.

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Reactions of Alkenes: Electrophilic Addition and Mechanism

Alkenes are hydrocarbons that contain at least one carbon-carbon double bond (C=C).
This double bond consists of two parts: a strong sigma (σ) bond and a weaker pi (π) bond.
The pi bond lies above and below the plane of the molecule, making it a region of high electron density.
This electron-rich area is highly attractive to electrophiles, species that are electron-deficient and seek out electrons to form bonds.
Electrophiles are molecules or ions that accept a pair of electrons to form a covalent bond.
When alkenes encounter electrophiles, they undergo electrophilic addition reactions, where the double bond is broken, and new covalent bonds are formed.

Example

Examples include halogen molecules (e.g., $Br_2$), hydrogen halides (e.g., HBr), and protons $H^+$ in acidic solutions.

Definition

Paywall

(on a website) an arrangement whereby access is restricted to users who have paid to subscribe to the site.

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Duis aute irure dolor in reprehenderit

Note

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Excepteur sint occaecat cupidatat non proident

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Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum.

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Structure 1. Models of the particulate nature of matter5 subtopics

Structure 2. Models of bonding and structure4 subtopics

Structure 3. Classification of matter2 subtopics

Reactivity 1. What drives chemical reactions?4 subtopics

Reactivity 2. How much, how fast and how far?3 subtopics

Reactivity 3. What are the mechanisms of chemical change?4 subtopics

IB Chemistry R3.4.5 Electrophilic Attack Notes

Structure 1. Models of the particulate nature of matter5 subtopics

Structure 2. Models of bonding and structure4 subtopics

Structure 3. Classification of matter2 subtopics

Reactivity 1. What drives chemical reactions?4 subtopics

Reactivity 2. How much, how fast and how far?3 subtopics

Reactivity 3. What are the mechanisms of chemical change?4 subtopics

Reactions of Alkenes: Electrophilic Addition and Mechanism

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Reactions of Alkenes: Electrophilic Addition and Mechanism

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Duis aute irure dolor in reprehenderit

Excepteur sint occaecat cupidatat non proident

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