Formulas To Know Flashcards
(2 cards)
1
Q
Degree Of Unsaturation
A
DOU = [n-(m/2)] + 1
Tells you how many rings and double bonds are in the molecule of interest. Can be calculated from the molecular formula CnHm
0 DOU = alkane
1 DOU = cyclic alkane or alkene
2 DOU = 2 alkenes; ring + alkene; alkyne
4 DOU = Benzene
2
Q
Formal Charge
A
FC = [# of valence electrons of neutral atom] - [non-bonded electrons + number of bonds]
Describes where charges are located in molecules