AnswersChemistry - SC3210 A-CRNomenclature of Covalent Compounds

Molecular Geometry Answers

8 verified answers1 views
2
Free Preview

most likely

z
zero
t
two
t
three
f
four
5

If a molecule has four hybrid sp3 orbitals, it can be concluded that the molecule has a

A
trigonal planar molecular geometry.
B
trigonal planar electron domain geometry.
C
tetrahedral molecular geometry.
D
tetrahedral electron domain geometry.
6

Two molecules have the same molecular geometry but different electron domain geometries. Which combination of atoms and lone pairs around the central atom could describe these molecules?

2
2 atoms and 2 lone pairs; 3 atoms and 0 lone pairs
1
1 atom and 3 lone pairs; 2 atoms and 1 lone pair
3
3 atoms and 1 lone pair; 3 atoms and 0 lone pairs
2
2 atoms and 2 lone pairs; 2 atoms and 1 lone pair
7

best

T
They both contain three lone pairs of electrons around the central atom.
T
They both contain three atoms around the central atom.
T
The central atom of the trigonal planar molecule has two lone pairs around it, but the central atom of the trigonal pyramidal molecule has only one.
T
The central atom of the trigonal planar molecule has two atoms around it, but the central atom of the trigonal pyramidal molecule has only one.
9

What is the molecular shape of HCN?

b
bent
l
linear
a
angular
t
trigonal pyramidal
10

Which molecule has a trigonal planar shape?

c
carbon monoxide
b
boron trichloride
s
silicon tetraiodide
c
carbon tetrafluoride

Did you find these answers helpful?