GCSE Chemistry - Organic Key Terms/Knowledge

I'll give you the features of certain organic groups/compounds within that group, as well as definitions to different key words, and you must answer with which one it applies to.

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Last updated: March 4, 2019

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First submitted	March 4, 2019
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Hint	Answer
General formula - CnH2n+2.	Alkanes
Saturated compounds.	Alkanes
CH4.	Methane
Methane, ethane, propane, butane.	Alkanes
C2H6.	Ethane
C3H8.	Propane
C4H10.	Butane
General formula - CnH2n.	Alkenes
C2H4.	Ethene
C3H6.	Propene
C4H8.	Butene
C5H10.	Pentene
Unsaturated.	Alkenes
A group of atoms in a molecule that determines how that molecule typically reacts..	Functional group
Functional group 'C=C'.	Alkenes
Alkene+hydrogen=	Equivalent, saturated alkane
Alkene + orange bromine water =	Bromine decolourises/becomes colourless
Alkenes + steam =	An alcohol
Lots of unsaturated monomer molecules (alkenes) opening up their double bonds and joining together to form polymer chains.	Addition Polymerisation
General formula - CnH2n+1OH.	Alcohols
Methanol, ethanol, propanol, butanol.	Alcohols
Ethene, propene, butene, pentane.	Alkenes
CH3OH.	Methanol
C2H5OH.	Ethanol

Hint	Answer
C3H7OH.	Propanol
C4H9OH.	Butanol
Hydroxyl group '-OH'.	Alcohols
Are flammable.	Alcohols
Soluble in water, producing a solution of a neutral pH.	Alcohols
React with sodium to produce hydrogen.	Alcohols
Can be oxidised to produce a carboxylic acid..	Alcohols
Used as solvents in industry.	Alcohols
Can be used as fuels.	Alcohols/alkanes
Carboxyl group '-COOH'.	Carboxylic acids
Methanoic acid, ethanoic acid, propanoic acid, butanoic acid.	Carboxylic acids
HCOOH.	Methanoic acid
CH3COOH.	Ethanoic acid
C2H5COOH.	Propanoic acid
C3H7COOH.	Butanoic acid
Dissolve in water, but only partially ionise and release H+ ions (weak acids)..	Carboxylic acids
Functional group '-COO-'.	Esters
Alcohol + carboxylic acid =	Ester + water
ethanoic acid + ethanol =	Ethyl ethanoate
Functional groups of amino acids.	Amine (NH2), Carboxyl (COOH)
Glycine, alanine, valine, leucine.	Amino acids
Produces a polymer as well as another small molecule for each new bond.	Condensation polymerisation
Two monomer types with the same functional group/one monomer type with two different functional groups.	Condensation polymerisation
General formula - CnH2n+1COOH (n begins at 0).	Carboxylic acids