Part 2 Flashcards
SN1 order of reacitivity
3>2>1*>methylation
2 steps mechanism
Solvent for SN1 mechanism
Polar protic solvent
SN2 order of reacitivity
Methyl>1>2>3*
*(one step mechanism)
Difference between polar protic and polar aprotic
Polar protic are capable of H-bonding, polar aprotic are incapable
Classify each solvent as protic/aprotic
A. HOCH2CH2OH
B. CH3CH2OCH2CH3
C. CH3COOCH2CH3
A. Protic
B. Aprotic
C. Aprotic
Trend for good leaving group
\
\/
Ex.
CH3CH2Cl vs CH3CH2I
CH3CH2I is better LG
Major component of rubbing alcocohol
2-propanol
Ethylene glycol is for
Anti-freeze
Alkenes are also called
Olefins
Degree of unsaturation formula
P=(2 + 2C + N -H -X)/2
As the number of double bond _____, MELTING point decreases
Increases
Difference between E and Z isomer
E isomer - has two higher priority groups on the opposite sides
Z isomer - has two higher priority groups on the same sides
Measures molecular weight of compound and allows prediction of molecular formula
Mass spectrometry
This method gives the functional group
IR spectroscopy
NMR spectroscopy
Provides the electronic environment of a compound and types of proton
Benzene is first isolated by
Michael Faraday
Degree of unsaturation of benzene
4
Four criteria for aromaticity
- Cyclic
- Planar
- Completely conjugated (alternating pi bonds)
- Huckels rule
Huckels rule formula
4n + 2 = pi electrons
n should be 0, 1, 2 and so forth