WorksheetsCarbon Chemistry
Total questions: 37
Worksheet time: 26mins
How many valence electrons does carbon have?
2
4
6
8
How many bonds does a carbon atom need?
2
4
6
8
Saturated molecules contain...
A carbon to carbon double bond
Only single bonds between carbon atoms
A water molecule
A hydroxyl group
Unsaturated molecules contain...
A carbon to carbon double bond
Only single bonds between carbon atoms
A water molecule
A hydroxyl group
For a compound to be considered an organic compound it must contain
Carbon
Hydrogen
Oxygen
Nitrogen
Which of the following are not considered to be hydrocarbons?
Alcohols
Alkenes
Alkanes
A bond created by the sharing of electrons is known as...
A covalent bond
An ionic bond
A sharing bond
An electron bond
The general formula of an alkene is:
CnH2n
CnH2n+2
CnHn+2
CnH2n-2
The general formula of an alkane is:
CnH2n
CnH2n+2
CnHn+2
CnH2n-2
A covalent bond is made up of ..... electron(s)
1
2
3
4
Methane has...
One carbon atom
Two carbon atoms
Three carbon atoms
Four carbon atoms
Ethane has...
One carbon atom
Two carbon atoms
Three carbon atoms
Four carbon atoms
Which of the following could be used to make a polymer?
Methane & ethane
Ethene & propene
Propene & ethane
Butane & propene
Heptane has....
5 carbons
6 carbons
7 carbon
8 carbons
Pentanol would be...
An alcohol
An alkene
An alkane
A hydrocarbon
Octane is...
An alcohol
An alkene
An alkane
A hydrocarbon
When heat is applied to a hydrocarbon and it melts, the energy is being used to...
Break covalent bonds
Overcome intermolecular forces
Break a molecule
Separate atoms
When heat is applied to a hydrocarbon and it boils, the energy is being used to...
Break covalent bonds
Overcome intermolecular forces
Break a molecule
Separate atoms
Pick the statement that does not correctly finish this sentence. As the length of a carbon chain increases...
the molar mass of the hydrocarbon increases
the boiling point increases
the intermolecular forces decrease
the melting point increases
Pick the statement that does not correctly finish this sentence. As the length of a carbon chain decreases...
the molar mass of the hydrocarbon increases
the boiling point decreases
the intermolecular forces decrease
the melting point decreases
Polar molecules are soluble in...
polar substances
non-polar substances
Non-polar molecules are soluble in...
polar substances
non-polar substances
Alkanes typically burn with a...
Blue flame
Yellow flame
Pink flame
Black flame
Alcohols typically burn with a...
Blue flame
Yellow flame
Pink flame
Black flame
For a solute to be soluble in a solvent there must be...
Greater attraction between solute and solvent particles
Greater attraction between solvent and solvent particles
Greater attraction between solute and solute particles
The products of complete combustion are...
Carbon monoxide + water
Carbon dioxide + water
Carbon + water
Carbon monoxide + carbon
The products of incomplete combustion are...
Carbon monoxide + water
Carbon dioxide + water
Carbon + water
Carbon monoxide + carbon + water
Which equation(s) is/are balanced?
C3H8 + 10O2 → 3CO2 + 4H2O
C4H10 + 10O2 → 4CO2 + 5H2O
CH3CH2OH + 3O2 → 2CO2 + 3H2O
CH3OH + 2O2 → 2CO2 + 4H2O
Pick the correct statement
Carbon monoxide has detrimental affects to human health & carbon dioxide has detrimental affects to the environment
Carbon monoxide has detrimental affects to the environment & carbon dioxide has detrimental affects to human health
Carbon has detrimental affects to the environment & carbon dioxide has detrimental affects to human health
Carbon has detrimental affects to human health & carbon dioxide has detrimental affects to the environment
Choose all of the conditions required for polymerisation...
Heat
Pressure
Catalyst
Cooling
Enzymes
Pick the incorrect statement. Crude oil is...
A mixture of hydrocarbons
Separated using fractional disliation
Found in the Earths crust
Only useful if cracked
In fractional distillation hydrocarbons are separated using their...
boiling points
melting points
solubility
reactivity
What is not removed at the bottom of a fractional distillation column?
Residue
Long chain hydrocarbons
Hydrocarbons with high boiling points
Gases
Short hydrocarbons are more useful because they...
Are easier to ignite
Are soluble in water
Have low melting and points points
If decane is cracked to produce pentane, what are the other products?
Ethene & propene
Ethane & propane
Ethene & propane
Ethane & propene
Ethanol is produced through what process?
Fermentation
Polymerisation
Fractional distllation
Cracking
The synthesis of methanol begins with
Methane & water
Ethanol
Methane
Ethane
