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chem 219 module 6 Test with Questions Solved 100% Correct | Latest Update
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chem 219 module 6 Test with QuestionsSolved 100% Correct | Latest Update
resonance contributors of C=N doulbe bond greatly restirct the rotation around the C-
N bond - ✔✔why does the amide have its specific geometry?
highly polar - ✔✔are amides polar or nonpolar?
yes- strong hydrogen bonds to each other and to water and alcohol - ✔✔do
amides form hydrogen bonds?
Dimers (two hydrogen bonded amides) (similar to carboxylic acid) - ✔✔what state
do amides often exist as?
High BP (made lower with more alkyl substitution on the nitrogen atoms)
- ✔✔generally do amides have high or low boiling points?
can act as base by accepting an acidic proton (just like amines) - ✔✔are amides
acids or bases?
amines are much stronger bases
d/t the resonance of amides which delocalizes the lone pair of electrons making it
less available for bonding to the acidic protons - ✔✔are amides or amines stronger
bases?
, amides - ✔✔nucleophilic acyl substitution turns ammonia and amines into?
1st, 2nd, and 3rd degree amides - ✔✔what does reacting ammonia or 1st or
2nd degree amines with acid halides, acid anhydrides, or esters?
least: amide, ester, acid anhydride, acid halide: most - ✔✔order of carboxylic
acid derivatives from least to most reactive?
a less reactive acid derivative - ✔✔what can you convert more reactive
acid derivatives to?
slow reaction time, prolonged heating, harsh conditions with a strong acid or base,
water - ✔✔what type of conditions are needed to break down amide bonds?
carboxylic acid - ✔✔what is the product of an acid or base catalyzed hydrolysis of
an amide?
amines - ✔✔what can amides reduce to using lithium aluminum hydride?
nitrile / cyano group - ✔✔
Nitrile functional group - ✔✔C triple bond N
1.add -nitrile as a suffix to the alkane name
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