Term
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Definition
| compounds that have their -OH group bonded to a saturated sp3 hybirdized carbon atom |
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Term
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Definition
| compounds with their OH group bonded to a vinylic sp2 hybirdized carbon |
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Term
| Does hydrogen bonding cause higher boiling points in alcohols and phenols or their alkane counterpart? |
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Definition
| Alcohol and phenol have higher boiling point |
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Term
| How do alchols act as weak acids? |
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Definition
The dissaciate slightly in aqueous solution by donating a proton to water generating H3O and a Alkoxide (RO-) ion or phenoxide (ArO-) ion...
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Term
| How do alcohols and phenols act as weak bases? |
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Definition
| the reversibly protonated by strong acids to yield oxonium ions (ROH2 +) |
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Term
| Smaller Ka & Larger pKa = more or less acidic? |
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Definition
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Term
| Are sterically hindered alkoxides more or less acidic than unhindered alkoxides? |
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Definition
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Term
| Halogen substituents increase or decrease the acidity of an alcohol? |
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Definition
INCREASES acidity
-stabilizes an alkoxide ion by spreading out the charge over a larger volume
-Lowers pKa value |
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Term
| Which are more acidic alcohols or phenols? |
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Definition
| Phenols bc their corresponding phenoxide ions are resonance-stabilized |
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Term
| What type of reagents do alcohols react with? |
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Definition
| alkali metals and strong bases [NaH, NaNH2, RMgX] |
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Term
| Phenols that have substitients can be more or less acidic than phenols itself if.... |
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Definition
the subs are...
e- withdrawing=more acidic (delocalize the neg charge)
e-donating=less acidic(bc concentrate the charge) |
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