Pkas Flashcards

1
Q

What is the pka range of an alkane?

A

50+

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2
Q

What is the pka range of an alkene?

A

42-46

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3
Q

What is the pka range of an alkyne?

A

22-26

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4
Q

What is the pka range of an ketone?

A

18-20

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5
Q

What is the pka range of an amine?

A

38-42

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6
Q

What is the pka range of an alcohol?

A

16-18

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7
Q

What is the pka range of phenol (C6H5OH)?

A

9-11

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8
Q

What is the pka range of ammonium?

A

9-11

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9
Q

What is the pka of CH3CO2-H?

A

4.76

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10
Q

What is the pka range of carboxylic acid?

A

4-5

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11
Q

What is the pka of hydronium?

A

-1.74

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12
Q

What is the pka of protenated oxygen, alcohol, ketone, aldehyde, ester?

A

-2ish

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13
Q

What is the pka of H-Cl?

A

-7

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14
Q

What is the pka of H-I?

A

-9

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15
Q

What is the pka of H2SO4?

A

-10

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16
Q

What is the general trend when determining the acidity of a compound using pkas?

A

A larger pka denotes a weaker acid, which will form a stronger conjugate base. A smaller pka denotes a stronger acid, which will form a weaker conjugate base.