resonance
warm-up question :
are these structures valid ?
no !
central has I bonds
carbon
⑦ (completes octet rule) and therefore
should not have a negative charge .
L O
⑦ OH2 no !
ourstructure is missing a
formal charge
"W ⑦
Cl
, Carbanions :
carbons with a negative formal
Charge ↑
identify hybridization &
j VSEPR
-
4 bonding groups :
ill
H resonance
·
tetrahedral & H hybrid :
SP3
H weighted aug .
of 1 or more
structures gives
resonance
averaging
the true
structure
more resonance structures =
more stability a
molecule has
Key Idea :
Lewis structures are fairly inadequate
0-
"assume bond all 3 bonds are
order is an equivalent
C
interger"
O 0-
in reality ,
this isn't in order to obey the
true rules of lewis structure ,
we often can't represent
a molecule with just one
resonance structure
warm-up question :
are these structures valid ?
no !
central has I bonds
carbon
⑦ (completes octet rule) and therefore
should not have a negative charge .
L O
⑦ OH2 no !
ourstructure is missing a
formal charge
"W ⑦
Cl
, Carbanions :
carbons with a negative formal
Charge ↑
identify hybridization &
j VSEPR
-
4 bonding groups :
ill
H resonance
·
tetrahedral & H hybrid :
SP3
H weighted aug .
of 1 or more
structures gives
resonance
averaging
the true
structure
more resonance structures =
more stability a
molecule has
Key Idea :
Lewis structures are fairly inadequate
0-
"assume bond all 3 bonds are
order is an equivalent
C
interger"
O 0-
in reality ,
this isn't in order to obey the
true rules of lewis structure ,
we often can't represent
a molecule with just one
resonance structure
