Solvents

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8 Terms

1
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hexane

non-polar

2
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benzene

non-polar

3
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toluene

non-polar

4
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What’s a polar protic solvent?

  • Has -OH or -NH grp - highly polar

  • able to form H bonds

5
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What’s a polar aprotic solvent?

  • has bonds like C=O or S=O

  • medium polarity

6
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Which solvent is preferred for SN1, and why?

Polar Protic

polar: allows charges to dissociate to stabilise carbocation intermediate

protic: stabilise anion via H-bonding

7
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Which solvent is preferred for SN2, and why?

Polar Aprotic

aprotic: stabilises Nu w/o stabilising the substrate → increases Nu’s reactivityDef

8
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Nucleophilicity

Ability of a Nu to displace a LG in a SN reaction