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Organic Chemistry

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  • Define hydrogenation
    The addition of hydrogen across a C=C double bond is known as hydrogenation.
  • How many carbon atoms are there in Ethane.
    2
  • 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.
  • Define the term Isomer.
    Isomers are compounds that have the same molecular formula but different structural formulae.
  • Name some carbon containing compounds found in living things.
    Amino acids, sugars, fats, DNA
  • Formula of Alkenes
    CnH2n
  • Name the 2 common forms of carbon.
    Diamond and Graphite.
  • This shows all the atoms in the molecule and how they are bonded.
    Structural formula.
  • Life on Earth evolved using carbon containing molecules such as ____________, __________, and _________ .
    nucleic acids, proteins and carbohydrates.
  • The alkanes are unsaturated hydrocarbons. TRUE/FALSE
    0
  • Name the compounds that contain triple bonds with carbon.
    Alkenes
  • The product formed when ethene reacts with bromine solution. Name the compund.
    1,2 - dibromoethane
  • This represents the actual number of atoms in a molecule.
    Molecular formula
  • Draw the structure of methane, ethane and propane in your notebook.
    Compare your answer to the picture given and fix it if wrong.
  • _______ 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.
  • This shows the simplest possible whole number ratio of the atoms in a compound.
    Empirical formula
  • Ethanol is made by an addition reaction called __________ .
    Hydration
  • An organic compound has 3 different formulae. What are they?
    Empirical, Molecular and Structural formulae.
  • Name the alkane you see in the picture.
    Pentane
  • Carbon is a _________ and belongs to group ______ of the periodic table.
    Non metal, IV
  • Alkenes are unreactive, saturated and unaffected by acids and alkalis. TRUE/FALSE
    FALSE
  • 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.
  • The simplest alcohol contains one carbon atom. Name the alcohol.
    Methanol
  • Compound with a formula of CnH2n+2
    Alkanes
  • When is carbon monoxide produced in a combustion reaction between butane and oxygen?
    It is produced when the air supply is less or limited.
  • Fullerenes and Carbon nanotubes are the oldest forms of carbon. TRUE/FALSE
    0
  • Butane and Methylpropane are _____________ . They have the same molecular formula but different ____________ and _________ ___________ .
    melting and boiling points.
  • Alkanes/ Alkenes make good fuels.
    Alkanes
  • What is a hydrocarbon?
    A hydrocarbon is a compound that contains only hydrogen and carbon.
  • Alkenes are a homologous series with OH as a functional group. TRUE/FALSE
    FALSE
  • THIS ALKANE FORMS A MAJOR PART OF NATURAL GAS. Choose the correct answer from the bracket (butane, methane, propane)
    Methane
  • The molecular formula of Butane
    C4H10
  • Alkanes are hydrocarbons with a single bond, alkenes with a double bond. Name the family with triple bonds. ____________
    ALKYNES
  • Alkanes are chemically ___________ but they burn well.
    UNREACTIVE
  • Alkanes/ Alkenes make good fuels....WHY?
    They burn exothermically.
  • Alkanes contain a ________ bond of carbon.
    Single
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