WorksheetsTerm 4 2024 Week 5
Total questions: 23
Worksheet time: 20mins
What is the correct IUPAC name for the following compound?
2-chloro-3-fluorobutane
2-fluoro-3-chlorobutane
3-fluoro-2-chlorobutane
3-chloro-2-fluorobutane
How many double bonds are there in this compound?
1
6
12
5
Give the name of this compound...
C3H8
Pentane
Propene
Butene
Propane
What type of organic compound is it?
Alkyne
Alkene
Alkane
Alkaline
Name this alkane
Methane
Methene
Methylene
If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?
20
22
40
42
What is the general formula of an alkane
2n+2
CnH2n+2
CnH2n
CnHn
What is the general formula of an alkene
2n+2
CnH2n+2
CnH2n
CnHn
Why is carbon able form long chains?
Because carbon is an unstable non-metallic element
Carbon can form 4 covalent bond
Carbon is the most abundant element on the surface of our planet
Every organic compound contains carbon
How many bonds does Carbon need to become stable?
1
2
3
4
Hydrocarbons are compounds that contain
Carbon and Hydrogen, only
Carbon, only
Carbon, Oxygen, and Hydrogen, only
Carbon, Oxygen, Hydrogen, and Nitrogen, only
Which formula represents an unsaturated hydrocarbon?
A
B
C
D
What is the suffix for double bond hydrocarbons ?
-ol
-ene
-ane
-one
The molecular formula for Heptane is
C4H10
C5H12
C7H18
C7H16
What is the structure of CH3C(CH3)2CH2CH(CH3)2 ?
A
B
C
D
What is the preferred IUPAC name of this compound?
Pent-2-ene
Pent-2-yne
Pent-3-ene
Pent-3-yne
Which structural formula is pentan-2-ol?
What is the primary purpose of fractional distillation?
To separate mixtures based on their magnetic properties
To separate mixtures based on their boiling points
To separate mixtures based on their solubility
To separate mixtures based on their density
Which of the following is a common application of fractional distillation?
Purifying water
Refining crude oil
Extracting metals from ores
Producing synthetic fibres
In fractional distillation, what is the role of the fractionating column?
To increase the surface area for condensation and evaporation
To cool down the vapours
To heat the mixture
To collect the distillate
Which of the following components of crude oil has the highest boiling point?
Petrol
Diesel
Kerosene
Bitumen
During fractional distillation, what happens to the component with the lowest boiling point?
It remains in the liquid phase
It evaporates first and is collected as the first fraction
It decomposes
It solidifies
In the context of fractional distillation, what is a "fraction"?
A solid residue left after distillation
A liquid collected at a specific boiling range
A gas released during distillation
A chemical reaction product
