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Amines

AQA A Level Chemistry

QuestionAnswer
Draw ethylmethylamine is it a primary, secondary or tertiary amine? Correct drawing and secondary
Draw tetraethylammonium chloride
What are the two routes to producing a primary amine route 1 react haloalkane with ammonia in excess. Route 2 react haloalkane with a nitrile, then reduce with LiALH4
Why must ammonia be in excess when producing a primary amine to react all of the haloalkane before any further subsitution occurs
Which route of the 2 routes in producing amines will always produce a mixture Ammonia reacting with a haloalkane
Draw a mechanism for the production of methyl amine from ammonia and chloromethane
Name the mechanism for the production of amines through both routes Nucleophillic substitution
Draw mechansim for the production of ethannitrile from appropriate reactants
Why are amines classified as weak bases They have a lone pair of electrons that can accept a H+ ion
Which type of amine has the highest base strength Tertiary amine
Why do tertiarty amines have the highest base strenght all 3 alkyl groups push electron density toward the nitrogen
Which amine has the lowest base strenght Aromatic amine
Why do aromatic amines have the lowest base strength The lone pair is part of the delocalised electrons ring so the electron density on the N atom is decreased
Give a use of quartenary ammonium salts Cationic fabric softner
What reactant is used to produce an amide from an amine carboxylic acid, acyl chloride, acid anhydride
Name the mechanism for the production of an amide Nucleophillic addition-elimination
Draw N-methly propanamide
Draw the mechanism for the production of N-methly propanamide from proponyl chloride and methyl amine
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