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Beer is made from _________ .
Barley
What is Fermentation?
Fermentation is an anaerobic process, which takes place in the absence of oxygen.
Alkyenes are a homologous series with OH as a functional group. TRUE/FALSE
FALSE
The simplest alcohol contains one carbon atom. Name the alcohol.
METHANOL
Ethanol is made by an addition reaction called __________ .
Hydration
Olive oil has __________ acid.
oleic
Unsaturated fats are healthier than saturated ones. TRUE/FALSE
TRUE
List any 2 uses of hydrogenation.
Manufacturing margarine and vegetable oils
Define Hydrogenation
The addition of hydrogen across a C=C double bond is known as hydrogenation.
_______ water is decolorised when shaken with an alkene.
Bromine
Bromination is a reaction used as............................................................... (complete the sentence)
Bromination is a reaction used as a chemical test for an unsaturated carbon.
Halothanes can also be used for dry cleaning. TRUE/FALSE. Fix the answer is False.
FALSE. Trichloroethane
Trichloromethane or chloroform was used as an anesthetic earlier. This was replaced by________ as it is a more useful and safe anesthetic.
HALOTHANE
How are dichloromethane, trichloromethane and tetrachloromethane formed?
Methane and Chlorine react in sunlight. UV light splits chlorine molecules into energised atoms,which react with methane.Cl atom replaces H, Chloromethane etc.
Unjumble the sentence - reaction photochemical with chlorine substitution it is because reaction is interesting.
The substitution reaction with chlorine is interesting because it is a photochemical reaction.
What is the colour of the bunsen burner flame. (blue, yellow, red)
YELLOW
Is carbon monoxide toxic? Yes or No (If yes, why is it harmful)
Yes. It is toxic and harmful as it interferes with the transport of oxygen around our body by the red blood cells.
When is carbon monoxide produced in a combustion reaction between butane and oxygen?
It is produced when the air supply is less or limited.
If CO2 and H2O are the products. Guess the reactants.
An alkane (butane) + Oxygen
Alkenes are unreactive, saturated and unaffected by acids and alkalis. TRUE/FALSE
FALSE
Alkanes are hydrocarbons with a single bond, alkenes with a double bond. Name the family with triple bonds. ____________
ALKYNES
Define the term Isomer.
Isomers are compounds that have the same molecular formula but different structural formulae.
Butane and Methylpropane are _____________ . They have the same molecular formula but different ____________ and _________ ___________ .
melting and boiling points.
What is Isomerism?
When a molecule with the same molecular formula but different structures, which means the same number of atoms can be connected in different ways.
Molecules with the same molecular formula can have different structures. TRUE/FALSE
TRUE
The product formed when ethene reacts with bromine solution. Name the compund.
1,2 - dibromoethane
Give one example of a compound in the homologous series with the name ending with ANE, ENE, OL and OIC acid.
PROPANE, PROPENE, PROPANOL, PROPANOIC ACID
What do the prefixes to the names of the Alkanes indicate?
They indicate the number of carbon atoms in the chain.
Alkanes are a _____________ of saturated hydrocarbons.
homologous series
Alkenes are more reactive than alkanes. TRUE/FALSE
1
What is an addition reaction?
A reaction in which a double bond breaks and adds two new atoms is known as an addition reaction.
Name the functional group of alkenes.
It is the carbon carbon double bond.
What chemical test would you suggest for alkenes?
It can decolorise bromine water.
The alkenes are ______________ hydrocarbons.
unsaturated.
Draw the structure of ethene, propene, butene and pentene in your notebook.
Check the picture and fix your answers if wrong.
Pick the words that are relevant to Alkanes. ( single bond, long chains, unsaturated, unreactive, saturated, good as a fuels, carbon carbon double bonds, carbon carbon single bonds, first series of hydrocarbons.
single bond, long chains, unreactive, saturated, good as fuels, carbon carbon single bonds, first series of hydrocarbons
Alkanes are chemically ___________ but they burn well.
UNREACTIVE
The alkanes are unsaturated hydrocarbons. TRUE/FALSE
0
Alkanes/ Alkenes make good fuels....WHY?
They burn exothermically.
Alkanes/ Alkenes make good fuels.
Alkanes
This shows all the atoms in the molecule and how they are bonded.
Structural formula.
This shows the simplest possible whole number ratio of the atoms in a compound.
Empirical formula
This represents the actual number of atoms in a molecule.
Molecular formula
An organic compound has 3 different formulae. What are they?
Empirical, Molecular and Structural formulae.
Draw the structure of methane, ethane and propane in your notebook.
Compare your answer to the picture given and fix it if wrong.
Life on Earth evolved using carbon containing molecules such as ____________, __________, and _________ .
nucleic acids, proteins and carbohydrates.
Carbon is a _________ and belongs to group ______ of the periodic table.
Non metal, IV
Using the words given below make sentences to list the 3 special features of covalent bonding. CARBON ATOMS, LONG CHAINS, RINGS, SINGLE, DOUBLE, TRIPLE, OTHER ELEMENTS, ATOMS, COVALENT BONDS
1)Carbon atoms join to each other and form long chains. Other atoms attach to this chain.2)They form single, double or triple covalent bonds.3)Arrange in rings.
Name some carbon containing compounds found in living things.
Amino acids, sugars, fats, DNA
THIS ALKANE FORMS A MAJOR PART OF NATURAL GAS. Choose the correct answer from the bracket (butane, methane, propane)
Methane
Name the alkane you see in the picture.
Pentane
What is a hydrocarbon?
A hydrocarbon is a compound that contains only hydrogen and carbon.
Fullerenes and Carbon nanotubes are the oldest forms of carbon. TRUE/FALSE
0
Name the 2 common forms of carbon.
Diamond and Graphite.
The molecular formula of Butane
C4H10
Name the compounds that contain triple bonds with carbon.
Alkenes
Alkanes contain a ________ bond of carbon.
Single
How many carbon atoms are there in Ethane.
2
Formula of Alkenes
CnH2n
Compound with a formula of CnH2n+2
Alkanes


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