Notes11 Flashcards

1
Q

acidic proton

A

relatively large delta+ charge

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2
Q

Bronsted-Lowry acid

A

proton donor. donate proton to old base/new conjugate acid

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3
Q

Bronsted base

A

proton acceptor. becomes conjugate acid after proton transfer

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4
Q

base/nucleophile similarities

A

base is pretty much a nucleophile to acidic protons

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5
Q

base strength

A

measure by how strong/stable is bond to the acidic proton is

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6
Q

pKa formula

A

pKa=-log(Ka)=log(1/Ka)

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7
Q

strength of bases measured by…

A

pKa of conjugate acid. They are one and the same

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8
Q

strong acids have…

A

relatively stable conjugate bases (CB doesnt want to hang on to proton)

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9
Q

functional group

A

reactive site in molecule. these are always sites of high electron density

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10
Q

heteroatoms

A

atoms other than C or H

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11
Q

introduction of heteroatoms…

A

almost invariably causes a dipole

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12
Q

periodic trend of basicity

A

highest atoms are most basic. think EN trend

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13
Q

another interpretation of base

A

wants electrons more badly than a proton

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14
Q

leaving group

A

group which retains old bonds electrons and leaves

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