Pka Values Test Questions – Flashcards
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HClO4 |
answer
–10 |
question
HI (hello) I– |
answer
–10 |
question
RCH(=O+H) (protonated aldehyde) RCH(=O) (aldehyde) |
answer
–10 |
question
H2SO4 (sulfuric acid) HSO4– |
answer
–10
|
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HBr Br– |
answer
–9
|
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HCl Cl– |
answer
–7 |
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R2C(=O+H) R2C(=O) (ketone) |
answer
–7
|
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ArSO3H ArSO3– |
answer
–6.5 |
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RC(=O+H)OR'
RC(=O)OR' |
answer
–6
|
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R—O+H—R' R—O—R' (ether) |
answer
–3.5
|
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ROH2+
ROH (alcohol)
|
answer
–2
|
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H3O+ H2O |
answer
–1.7 |
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HNO3
NO3– |
answer
–1.4
|
question
HSO4– SO42– |
answer
2
|
question
HF
|
answer
3.1
|
question
ArNH3+ (protonated aniline) ArNH2 (aniline) |
answer
4 |
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RC(=O)OH (carboxylic acid) RC(=O)O– |
answer
5 |
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H2CO3 HCO3– |
answer
6.4 |
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H2S HS– |
answer
7 |
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ArSH (thiophenol) ArS– |
answer
7 |
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MeC(=O)CH2C(=O)Me (acetylacetone) / (hacac) MeCOCH–COMe (acac) |
answer
9 |
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HCN CN– |
answer
9.2
|
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NH4+ NH3 |
answer
9.2
|
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ArOH (phenol) ArO– |
answer
10
|
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R—CH2—NO2 R—CH–—NO2 |
answer
10
|
question
RNH3+ RNH3 |
answer
11 |
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RSH RS– |
answer
11 |
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MeC(=O)CH2C(=O)OMe (methyl acetoacetate) MeC(=O)CH–C(=O)OMe |
answer
11 |
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CH3OH CH3O– |
answer
15.2 |
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H2O HO– |
answer
15.7 |
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RCH2—OH (primary alcohol) RCH2—O– |
answer
16 |
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R2CH—OH (secondary alcohol) R2CH—O– |
answer
17 |
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R3C—OH (tertiary alcohol) R3C—O– |
answer
17 |
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MeC(=O)NH2
MeC(=O)NH– |
answer
17 |
question
MeC(=O)CH3 (ketone) MeC(=O)CH2– |
answer
20 |
question
MeOC(=O)CH3
MeOC(=O)CH2– |
answer
24 |
question
R—CH2—CN R—CH–—CN |
answer
25 |
question
RCCH
RCC– |
answer
25 |
question
H2 H– |
answer
35 |
question
NH3 NH2– |
answer
38 |
question
Ph—CH3
Ph—CH2– |
answer
40 |
question
C6H6 (benzene) C6H5– |
answer
43 |
question
CH2=CH2 CH2=CH– |
answer
44 |
question
CH4 CH3– |
answer
48 |