Determine the electron geometry (eg) and molecular geometry (mg) of XeF2.
eg=trigonal bipyramidal, mg= linear
Determine the electron geometry (eg) and molecular geometry (mg) of XeF4.
eg= octahedral, mg= square planar
Determine the electron geometry (eg) and molecular geometry (mg) of NCl3.
eg= tetrahedral, mg=trigonal pyramidal
Determine the electron geometry (eg) and molecular geometry (mg) of H2CO
eg= trigonal planar, mg=trigonal planar
Determine the electron geometry (eg) and molecular geometry (mg) of SO2.
eg= trigonal planar, mg= bent, polar
determine the name for TiCO3
titanium (II) carbonate
how many of the following molecules have sp2 hybrization on the central atom?
-HCN
-SO2
-OCl2
-XeCl2
one
Give the approximate bond angle for a molecule with a tetrahedral shape.
109.5
Write the name for Sn(SO4)2. Remember that Sn forms several ions.
tin (IV) sulfate
use the data below to construct a born haber cycle to determine the lattice energy of CaO
6414 kJ
choose the best lewis structure for XeI2
I- 6 dots
Xe-6 dots
I-6 dots
single bonds
give the correct formula for sodium chlorate
NaClO3
how many of the following molecules have sp3 hybridization on the central atom?
- XeCl4
-CH4
-SF4
-C2H2
one
what is the formal charge on each oxygen below for CO3
-1,-1,0
how many of the following molecules are polar?
-PCl5
-COS
-XeO3
-SeBr2
3
a molecule containing a central atom with the sp3d hybridization has a _ electron geometry
trigonal bipyramidal
Use the molecular orbital diagram shown to determine which of the following are paramagnetic.
F2^2+
Give the approximate bond angle for a molecule with an octahedral shape.
90
write the name for FeS
iron (II) sulfide
give the name for PBr3
phosphorus tribromide
which of the following reactions is associated with the lattice energy of CaS?
Ca2+(g) + S2-(g) —-> CaS(s)
consider the molecule below. determine the hybridization at each of the 2 labeled carbons
C1= sp2, C2= sp3
write the formula for copper(II) sulfate pentahydrate
CuSO4 SH2o
Determine the electron geometry, molecular geometry and polarity of SF6.
eg= octahedral, mg= octahedral, nonpolar
how many of the following molecules are polar?
-BrCl3
-Cs2
-SiF4
-SO3
one
a molecule containing a central atom with sp2 hybridization has a __ electron geometry
trigonal planar
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Determine the electron geometry, molecular geometry and polarity of N2O.
eg=linear, mg= linear, polar
Choose the best Lewis structure for OCl2
single bonds
cl- 6 dots
cl- 6 dots
o- 4 dots
Use the bond energies provided to estimate ΔH°rxn for the reaction below.
CH3OH(l) + 2O2(g) → CO2(g) + 2H2) (g) ΔH°rxn = ?
Bond Bond Energy (kJ/mol)
-392 kJ
list the number of sigma bonds and pi bonds in a triple bond
1 sigma, 2 pi
Determine the electron geometry (eg) and molecular geometry (mg) of CO2.
eg= linear, mg= linear
determine the name for CoCl2 6H2O
cobalt (II) chloride hexahydrate
determine the name for P4O10
tetraphosphorus decoxide
draw the lewis structure for BrF5. what is the hybridization on the Br atom?
sp3d2
how many of the following molecules contain atleast one pi bond?
-C2H6
-Cl2CO
-C2Cl4
-SeS3
3
Determine the electron geometry (eg) and molecular geometry (mg) of PF5.
eg= trigonal bipyramidal, mg= trigonal bipyramidal
Determine the electron geometry (eg) and molecular geometry (mg) of BrF3
eg= trigonal bipyramidal, mg= t-shape
write the formula for the compound formed between potassium and sulfur
K2S
identify the shortest bond
triple covalent bond
Give the approximate bond angle for a molecule with a linear shape.
180
choose the best lewis structure for SeO4^2-
2 double bonds between se and o
2 single bonds between se and o
4 dots on 2 o’s
6 dots on 2 o’s
no dots on I
what is the formal charge on the iodine in the iodate ion as it is shown below?
+1
Determine the electron geometry (eg) and molecular geometry (mg) of SiF4
eg= tetrahedral, mg= tetrahedral
which molecule or compound contains a polar covalent bond?
NCl3
give the name for H2SO4
sulfuric acid
formal charge on bromine
0