pKa values Flashcards by Rajesh Jethwa

Q

Hydriodic Acid (HI => I-)

A

-10

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Q

Hydrobromic Acid (HBr => Br-)

A

-9

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Q

Protonated Ketone

A

-7.3

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Q

Hydrochloric Acid (HCl => Cl-)

A

-7

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Q

Protonated Ether

A

-3.6

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Q

Sulfuric Acid (H2SO4 => HSO4-)

A

-3

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Q

Carbocations

A

-3

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Q

Protonated Alcohol

A

-2.4

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Q

Hydronium Ion (H3O + => H2O)

A

-1.7

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Q

Nitric Acid (HNO3 => NO3 -)

A

-1.3

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Q

Tosic Acid (TsOH => TsO-)

A

-0.6

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Q

Hydrofluoric Acid (HF => F-)

A

3.2

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Q

Hydrogen Nitride (Hydrazoic Acid) (HN3 => N3-)

A

4.7

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Q

Carboxylic Acid (RCOOH => RCOO-)

A

4.8

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Q

1,3-dialdehyde

A

5

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Q

Protonated Pyridine

A

5.2

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Q

Carbonic Acid (H2CO3 => HCO3- (bicarbonate))

A

6.4

Q

Hydrogen Sulfide (H2S => HS-)

A

7

Q

1,3-diketone

A

9

Q

Hydrogen Cyanide (HCN => CN-)

A

9.1

Q

Ammonium Ions (NH4+ => NH3)

A

9.2

Q

Phenol (PhOH => PhO-)

A

10

Q

Nitromethane

A

10

Q

Bicarbonate (HCO3- => CO3(2-))

A

10.3

Q

Thiols (RSH => RS-)

A

10.5

Q

Protonated Amines (RNH3+ => RNH2)

A

10.6

Q

Hydrogen Peroxide (HOOH => HOO-)

A

11.6

Q

1,2-diester

A

12

Q

Cyclopentadiene

A

15

Q

Amides (RCONH2 => RCONH-)

A

15

Q

Water (H2O => OH-)

A

15.7

Q

Primary Alcohols (ROH => RO-)

A

15.9

Q

Tertiary Alcohols (R1R2R3COH => R1R2R3CO-)

A

18

Q

Ketones

A

20

Q

Alkynes

A

24

Q

Esters

A

25

Q

Hydrogen (H2 <= H- [1 way only])

A

35

Q

Ammonia/Amines (RNH2 => RNH-)

A

33-36

Q

Allylic Proton

A

43

Q

Alkene

A

44

Q

Benzene

A

ca. 43

Q

Alkanes (RH <= RMgBr [1 way only])

A

48-60