Chemistry Unit 5 flashcards: Organic nitrogen compounds

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A2 level Chemistry (Unit 5) FlashCards sobre Chemistry Unit 5 flashcards: Organic nitrogen compounds, criado por J000D97 em 05-04-2015.
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FlashCards por J000D97, atualizado more than 1 year ago
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Criado por J000D97 quase 10 anos atrás
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Questão Responda
What is characteristic or aromatic amines? A benzene ring
Describe the structure of amino acid NH2 group COOH group variable R group in the middle
Which amino acid is the simplest? Glycine
Which has a higher BP, primary or tertiary amines and why? Primary because they can hydrogen bond.
What do primary amines smell like? Fishy with long chains and like ammonia for shorter chains
What is a stronger base ammonia or primary alkyl amines? Primary alkyl amines because the alkyl group is electron pushing and enhances the LP on nitrogen.
Acyl chloride w/ phenyl amine --> N-phenylamides
Steps for making paracetamol nitrate phenol separate isomers produced by fractional distillation reduce 4-nitrophenol react 4-aminophenol w/ ethanoic anhydride paracetamol
Why don't aliphatic amines produce diazonium salts? Because they are so unstable and decompose immediately even at low temperatures
In a coupling reaction is any N2(g) produced? No
Uses of nylon Stockings amd tights Carpets Ropes that don't rot Bearings in machines
Properties and uses of Kevlar Resists high temperatures low thermal conductivity high tensile strength sealants and adhesives bullet and stab-proof belts ropes replacement asbestos data transmission cables
Addition polymerisation joins... 2 alkene molecules
Forming poly(ethenol) Polymerise ethenyl ethanoate React with methanol causing ester exchange to form poly(ethanol)
Uses of poly(ethenol) Disposable laundry bags Liquid detergent capsules
Do AAs dissolve in organic solvents? No
When do Zwitteron ions exist? At the isoelectric point; pH when the overall charge of the amino acid = 0
Refluxing a protein with HCl does what? Hydrolyses it into AAs
Rf = Distance moved by AA ___________________________________ Distance moved by solvent
Describe 2-way paper chromatography Where after 1 separation the paper is rotated 90 degrees and the substances/dots are separated again using a different solvent to try and separate 2 dots close together with similar Rf values
L or D enantiomers in living organisms? L
The use of ninhydrin turns AA spots what colour? Purple

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