Exam 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Steric Hindrance | a decrease in reactivity from the presence of bulky groups at the site of a reaction
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| Does steric hindrance decrease nucleophilicity AND basicity? | No, basicity is not decreased by steric hindrance
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| polar protic solvents | capable of intermolecular hydrogen bonding. They contain either O-H or N-H
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| Cations and anions can both be solvated by protic/aprotic solvents? | Protic
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| Cations are solvated by... | ion-dipole interactions
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| Anions are solvated by... | hydrogen bonding
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| Nucleophilicity (increases/decreases) as you go down a column for polar protic solvents | increases. this is opposite of basicity
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| Polar aprotic solvents | exhibit dipole dipole interactions but can't hydrogen bond. solvate only cations
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| In polar aprotic solvents nucleophilicity (increases/decreases) as bascitiy increases | increases
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| SN1 stands for | substitution nucleophilic unimolecular (two step)
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| SN2 stands for | substitution nucleophilic bimolecular (one step)
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| concerted reaction | bond breaking adn bond making occur at the same time
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| frontside attacks (retain/change) configuration? | retain
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| backside attacks (retain/change) configuration? | change
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| frontside and backside attacks result in enantiomers/diasteriomers? | enantiomers
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| all SN2 reactions are front/backside? | backside attack
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To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
kalford2
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