Skip to content

PRO TIP Block youtube.com at the DNS level — Pi-hole, NextDNS or your hosts file — but allow youtube-nocookie.com and i.ytimg.com. These tutorials keep playing; the rabbit hole does not.

Learning without distractions

GCSE Chemistry – Hydrocarbons – Alkanes & Homologous Series (2026/27 exams)

103.7K views on YouTube

⭐️ Check out our website https://www.cognito.org/ ⭐️

*** WHAT’S COVERED ***
1. Introduction to Organic Chemistry and Hydrocarbons
* A definition of organic chemistry as the study of carbon-based compounds.
* An explanation of what a hydrocarbon is, using examples of butane and butanol.
2. The Alkane Homologous Series
* An introduction to alkanes as the simplest type of hydrocarbon.
* A look at the structure and formula of the first four alkanes: methane, ethane, propane, and butane.
* A definition of a homologous series.
3. The General Formula for Alkanes
* An explanation of the general formula for alkanes: CnH2n+2.
* A demonstration of how to use the general formula to find the molecular formula of any alkane, using propane and octane as examples.
4. Saturated Compounds
* A definition of saturated compounds as molecules containing only single covalent bonds.
* The difference between saturated alkanes and unsaturated alkenes.

*** CHAPTERS ***
0:00 Introduction
0:14 What is Organic Chemistry?
0:53 What are Hydrocarbons?
1:17 Alkanes
2:05 Homologous Series
2:16 The General Formula for Alkanes
3:44 Saturated Compounds

*** PLAYLISTS ***






#GCSE #Chemistry #study #revision #school #exam #AQA #OCR #Edexcel #IGCSE