Chemistry HL
Chemistry HL
6
Chapters
243
Notes
Chapter 1 - Models Of The Particulate Nature Of Matter
Chapter 1 - Models Of The Particulate Nature Of Matter
Chapter 2 - Models Of Bonding & Structure
Chapter 2 - Models Of Bonding & Structure
Chapter 3 - Classification Of Matter
Chapter 3 - Classification Of Matter
Chapter 4 - What Drives Chemical Reactions?
Chapter 4 - What Drives Chemical Reactions?
Chapter 5 - How Much, How Fast & How Far?
Chapter 5 - How Much, How Fast & How Far?
Chapter 6 - What Are The Mechanisms Of Chemical Change?
Chapter 6 - What Are The Mechanisms Of Chemical Change?
IB Resources
Chapter 6 - What Are The Mechanisms Of Chemical Change?
Chemistry HL
Chemistry HL

Chapter 6 - What Are The Mechanisms Of Chemical Change?

Unlocking Halogenoalkanes: Dive Into SN1 and SN2 Reactions!

Word Count Emoji
489 words
Reading Time Emoji
3 mins read
Updated at Emoji
Last edited on 5th Nov 2024

Table of content

Basics 🚀

  • Halogenoalkanes have a polar carbon-halogen bond because halogens are like the high-school popular kids – they attract a lot of attention (in the form of electrons!).
  • This makes the carbon atom electron-hungry and open to attacks, just like a cookie jar is open to sneaky hands! 🍪

Nucleophilic Substitution Reactions 🤼

  • It's like a dance floor. Halogen gets kicked out and the nucleophile takes its place. 💃
  • There are two types of dances: SN1 and SN2.

SN2 Reaction Mechanism 🕺

  • Concerted Reaction: Everything happens in one swift move, like a single dance step. There's no pause or break.
  • Key Players: Halogenoalkane and nucleophile.
  • Rate Equation: rate = k[halogenoalkane][nucleophile]

Example: Bromoethane dances with a hydroxide ion. The hydroxide swoops in and replaces the bromine atom, resulting in ethanol and a bromide ion.

Remember 💡

  • Transition state is the peak of excitement on the dance floor! It's fleeting and represents maximum energy during the reaction.
  • The nucleophile always attacks from the opposite side because the halogen is like the school bully – you don't want to confront them head-on! It results in a molecular flip, like an umbrella inverting in a strong wind. 🌂

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IB Resources
Chapter 6 - What Are The Mechanisms Of Chemical Change?
Chemistry HL
Chemistry HL

Chapter 6 - What Are The Mechanisms Of Chemical Change?

Unlocking Halogenoalkanes: Dive Into SN1 and SN2 Reactions!

Word Count Emoji
489 words
Reading Time Emoji
3 mins read
Updated at Emoji
Last edited on 5th Nov 2024

Table of content

Basics 🚀

  • Halogenoalkanes have a polar carbon-halogen bond because halogens are like the high-school popular kids – they attract a lot of attention (in the form of electrons!).
  • This makes the carbon atom electron-hungry and open to attacks, just like a cookie jar is open to sneaky hands! 🍪

Nucleophilic Substitution Reactions 🤼

  • It's like a dance floor. Halogen gets kicked out and the nucleophile takes its place. 💃
  • There are two types of dances: SN1 and SN2.

SN2 Reaction Mechanism 🕺

  • Concerted Reaction: Everything happens in one swift move, like a single dance step. There's no pause or break.
  • Key Players: Halogenoalkane and nucleophile.
  • Rate Equation: rate = k[halogenoalkane][nucleophile]

Example: Bromoethane dances with a hydroxide ion. The hydroxide swoops in and replaces the bromine atom, resulting in ethanol and a bromide ion.

Remember 💡

  • Transition state is the peak of excitement on the dance floor! It's fleeting and represents maximum energy during the reaction.
  • The nucleophile always attacks from the opposite side because the halogen is like the school bully – you don't want to confront them head-on! It results in a molecular flip, like an umbrella inverting in a strong wind. 🌂

Unlock the Full Content! File Is Locked Emoji

Dive deeper and gain exclusive access to premium files of Chemistry HL. Subscribe now and get closer to that 45 🌟

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