Organic Chemistry 🫠 Flashcards
(11 cards)
1
Q
Define a hydrocarbon
A
A substance made of only carbon and hydrogen
2
Q
CH4 =
A
Methane
3
Q
Methane =
A
CH4
4
Q
What is the general formula fro the alkanes
A
Cn H2n + 2
5
Q
What is crude oil
A
A mixture of hydrocarbons
6
Q
Why is Carbon monoxide toxic to humans
A
It binds to the haemoglobin in the blood which limits its ability to carry oxygen around the body
7
Q
What does saturated mean
A
Only contains single covalent bonds
8
Q
What are three features of a homologous series
A
- trend in physical properties
- similar chemical properties
- same general formula
9
Q
Name some hydrocarbons in the homologous series of the alkanes
A
Methane, ethane, propane, butane, pentane, hexane
10
Q
Describe fractional distillation
A
- The crude oil is heated and vapourised
- the vapour enters the fractionating column which is cooler at top
- Vapours rise and condense at boiling point
- these can be separated as they have different Boiling points
11
Q
What does viscous mean
A
a fluid, like a liquid or gas, that resists flow due to its internal friction. It’s essentially a measure of how “thick” or “gloopy” a substance is
