Flashcards
Chemistry Unit 5 flashcards: Organic nitrogen compounds
Flashcards do conjunto (22)
- 1What is characteristic or aromatic amines?A benzene ring
- 2Describe the structure of amino acid\(NH_2\) group
COOH group
variable R group in the middle - 3Which amino acid is the simplest?Glycine
- 4Which has a higher BP, primary or tertiary amines and why?Primary because they can hydrogen bond.
- 5What do primary amines smell like?Fishy with long chains and like ammonia for shorter chains
- 6What 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.
- 7Acyl chloride w/ phenyl amine -->N-phenylamides
- 8Steps for making paracetamolnitrate phenol
separate isomers produced by fractional distillation
reduce 4-nitrophenol
react 4-aminophenol w/ ethanoic anhydride
paracetamol - 9Why don't aliphatic amines produce diazonium salts?Because they are so unstable and decompose immediately even at low temperatures
- 10In a coupling reaction is any \(N_{2(g)}\) produced?No
- 11Uses of nylonStockings amd tights
Carpets
Ropes that don't rot
Bearings in machines - 12Properties and uses of KevlarResists high temperatures
low thermal conductivity
high tensile strength
sealants and adhesives
bullet and stab-proof belts
ropes
replacement asbestos
data transmission cables - 13Addition polymerisation joins...2 alkene molecules
- 14Forming poly(ethenol)Polymerise ethenyl ethanoate React with methanol causing ester exchange to form poly(ethanol)
- 15Uses of poly(ethenol)Disposable laundry bags
Liquid detergent capsules - 16Do AAs dissolve in organic solvents?No
- 17When do Zwitteron ions exist?At the isoelectric point; pH when the overall charge of the amino acid = 0
- 18Refluxing a protein with HCl does what?Hydrolyses it into AAs
- 19Rf =Distance moved by AA
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Distance moved by solvent - 20Describe 2-way paper chromatographyWhere 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
- 21L or D enantiomers in living organisms?L
- 22The use of ninhydrin turns AA spots what colour?Purple
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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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