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EPISODE 2
Concept line 1: Hydrocarbons from Petroleum

Core concept

  • understand alkanes is the main hydrocarbons found in petroleum

  • how fractional distillation of petroleum is used:

  1. the separation principle

  2. the fractions & their uses from the top to the bottom of the fractionating tower

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Source : Crude Oil & Fractional Distillation – The Fuse School GIF

Date posted: 11/10/2017

Available :
https://gfycat.com/shabbydisfiguredafricanmolesnake

(accessed : 30/6/2023)

hydocarbon compound
cruide oil_2.jpg

  • set-up of fractional distillation experiment in laboratory &  compare the physical properties of the 4 fractions collected

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Source: Royal Society of Chemistry

Available at: https://edu.rsc.org/experiments/the-fractional-distillation-of-crude-oil/754.article

(accessed: 30/6/2023)

distillation_2.jpg

Exam-type Qs

  • fractional distillation as a separation method & principle based on different b.p. of liquid mixture

  • memorize 1 use of each fraction from top to bottom

教你運用圖像或瘋狂故事記憶方法, 串聯 起每個 fraction 名稱 & 用途 ( 由頂至底 )

有用網址:

Mammoth Memory

https://mammothmemory.net/

 

Remembering the order of the fractions of crude oil

https://mammothmemory.net/chemistry/fractional-distillation/remembering-the-order-of-the-fractions-of-crude-oil/remembering-the-order-of-the-fractions-of-crude-oil.html

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Question: 所有 petroleum fractions 嘅用途可以歸納為邊兩個主要用途?  ( 答案下集開估 )

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