ORGANIC CHEMISTRY (UBC CHEM 233) SOCI 102 - SOCIAL INEQUALITY QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+||BRAND NEW!

ORGANIC CHEMISTRY (UBC CHEM 233) SOCI 102 - SOCIAL
INEQUALITY QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED
A+||BRAND NEW!
State the Huckel Rule Ans✓✓✓continuous, planar rings of conjugated
atoms display unusual stability if the number of pi electrons in the
conjugated loops is 4n+2 where n is an integer.


Reduction Ans✓✓✓the gain of electrons, loss of double bonds


Oxidation Ans✓✓✓loss of electrons, gain of C-O bonds (or any other
electronegative atom) and gain of double bonds (-ene)


Bronsted-Lowry definition of acids/bases Ans✓✓✓acid = proton donor
base = proton acceptor


Lewis definition of acid/bases Ans✓✓✓acid = electron pair acceptor
base = electron pair donor


How do you decide acid is stronger? Ans✓✓✓Hybridization: sp > sp2 >
sp3
Electronegativity: F > O > N > Cl > Br
Atom Size: larger = better
Resonance

, pKA


if pH > pKa what happens Ans✓✓✓you deprotonate!


pKa of strong mineral acids (i.e. HCl, H2SO4, HBr) Ans✓✓✓pKa= -5


pKa of the hydronium ion Ans✓✓✓pKa= -3


pKa of Carboxylic Acids Ans✓✓✓pKa= 5


pKa of phenols Ans✓✓✓pKa= 9


pKa of ammonium (NH4) Ans✓✓✓pKa= 10


pKa of water Ans✓✓✓pKa= 15.74


pKa of methanol and primary alcohols Ans✓✓✓pKa= 16


pKa of tert-butanol Ans✓✓✓pKa= 18


pKa of aldehydes and ketones Ans✓✓✓pKa= ~20