Questions: For each of the fol
Questions:
For each of the following molecules, draw the Lewis DotStructure, identify the electronic and molecular geometry names,and predict the bond angle of the bold atom. If you believe thatresonance structures exist, you may merely state so.
CH3I
SO3
CH3COOCH3
PCl3
ZnCl2
ZnCl42-
COHC6H4COOH
NH4+
ICl4–
RnF2
HArF
B2H6 (yes, this is a real molecule)
For what electronic geometries is the “octet rule” alwaysviolated?
Though the octet rule is, indeed, frequently broken, it is neverbroken for small atoms (n = 1, 2). Propose a reason for this. Youranswer is extra cool if it included a mention of the PauliPrinciple.
Answer:
Here are lewis structure for the first 4
For the first one it has 4 bonds and it has no lone pairattached to the central atom so
electronic geometry will be tetrahedral , molecular geometrywill be tetrahedral too , bond angle will be 109.5 degrees
for SO3, it has 3 bonds and 0 lone pairs of electrons attachedto S, electronic geometry will be trigonal
molecular geometry will be trigonal planar with a bond angle of120 degrees
The CH3COOCH3, for this we need to take a look to the centralatoms, it has 4 central atoms
the firs central atom will be the first carbon
electron geometry will be tetrahedral , also molecular geometrywill be tetrahedral with angle of 109.5 degrees
second central atom will be the second carbon
it has no lone pairs and has 3 bonds
electron geometry will be trigonal and molecular shape will betrigonal planar with angle of 120 degrees
third central atom will be the oxygen that has no doublebond
it has 2 bonds and 2 lone pairs
molecular geometry will be bent
electron geometry will be tetrahedral
bond angle will be 109.5 or less than that
4th central atom will be the last carbon attached to 3 hydrogensand the oxygen
no lone pairs so molecular geometry will be tetrahedral andelectron geometry will be tetrahedral
The PCl3
It has 1 lone pair of electrons and 3 bonds so
electron geometry will be tetrahedral
molecule geometry will be trygonal pyramidal
angle bond will be 109.5 C
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