Ethers, Amines, Amides & Thiols - The amine functional group - Chemical properties of amines

8 important questions on Ethers, Amines, Amides & Thiols - The amine functional group - Chemical properties of amines

What does the odour of an amine resemble?

The smell of raw fish

What produced in spoiling seafood contributes to the fishy smell?


Trimethylamine


Amines can be converted to what via an acid base reaction?


Amine salts
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Why is lemon juice often added to fish?


Results in a acid base reaction between the amines and the
lemon juice (acid), reducing the fishy smell

Are amines strong or weak?

Amines are weak bases that accept H + from an acid about ~5% of the time

What happens to nitrogen in an amine acid-base reaction?


Nitrogen’s non-shared pair of electrons can accept a H+ (lacks electrons) from an acid

Why are drugs with amine salts easier to be absorbed?


Increased solubility in water

Why do amine salts have a longer shelf life?


More resistant to oxidation

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