For each of the compounds listed below you must draw the Lewis dot structure in the...
For each of the compounds listed below you must draw the Lewis dot structure in the chart on page 4.
a. H2O, water
b. CF4, carbon tetrafluoride
c. HCN, hydrogen cyanide (C in middle)
d. ONBr, nitrosyl bromide
e. (z)-C2H2F2, (z)-1,2-difluoroethylene (N in middle)
f. (e)-C2H2F2, (e)-1,2-difluoroethylene
g. CH3COCH3, acetone (the O is doubly bonded to middle, but is not bonded to any other C atoms)
h. C6H14, hexane
i. C6H12 (a ring), cyclohexane
Homework Answers
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For each of the compounds listed below you must draw the Lewis
dot structure in the...
1. Draw Kekule (Line dot structures, Lewis dot structure) for the following compounds. (12 points, 3...
1. Draw Kekule (Line dot structures, Lewis dot structure) for the following compounds. (12 points, 3 each) A. CH2CH2 B. (CH3)3COH C. CH3COCH3 D. CO2 2. How many bonds do each of the following elements make in a stable, neutral molecule? (5 points, 1 each) (a) chlorine (b) oxygen (c) carbon (d) hydrogen (e) nitrogen
Make the following polyatomic organic compounds with your modeling kits. Draw the proper Lewis structure (wedges,...
Make the following polyatomic organic compounds with your modeling kits. Draw the proper Lewis structure (wedges, dashes and lone pairs) and, when needed, label all the atoms in with their formal charges. What is the hybridization of each carbon atom? Which molecules have a net dipole moment (i.e. which are polar molecules)? Hybridization of Carbon Atom(s) Polar Proper Lewis Structure with formal charges 1,1-Difluoroethene: H2CCF2 (yes/no) a. b. Hydrogen cyanide: HCN Methanol: CH,OH c. Formic Acid: HCOOH d.
9. Draw the Lewis dot structure for the following compounds and identify their shape by writing...
9. Draw the Lewis dot structure for the following compounds and identify their shape by writing the name of their shape on the line provided. (4 points per compound, 24 points total) The structures must obey the octet rule! a. CS2 b. NH3 c. SO2 d. H2P04- e. O f. NCO
(9) For each pair of molecules or ions below (i) Draw the Lewis dot structures. (If...
(9) For each pair of molecules or ions below (i) Draw the Lewis dot structures. (If there is resonance, draw it.) (ii) Draw/Describe the VSEPR structures, including bonded electron pairs and lone pairs. (iii) Describe the structure of the molecule, considering all the bonds and atoms (but not lone pairs.) i.e., is the molecule straight? bent? etc. Angles between atoms? (iv) Indicate whether each molecule has a dipole moment, and mark the positive and negative poles. (v) Choose which molecule...
Lewis Structure Problem Set You must draw the Lewis structure with formal charges) for each molecullion...
Lewis Structure Problem Set You must draw the Lewis structure with formal charges) for each molecullion to receive full credit 1. How many of the following have lone pairs on the centralatom? PFS NCI Seo 2. In how many of the following does the central atom contain exactly 1 double bond? NHN NO: NH: H-N -H 0. b= -5: HNH 3. How many of the following have at least one atom with a formal charge that is not zero? Which...
5.) Draw Lewis dot structures for the following molecules below. Next, draw the three dimensional structure for each...
5.) Draw Lewis dot structures for the following molecules below. Next, draw the three dimensional structure for each molecule using lines, dashes and wedges. Write what the bond angles are in each case. Calculate the difference in electronegativity (AEN) between each pair of bonding atoms. Draw dipoles for each bond in the molecule and draw a net dipole if one exists. In there is no net dipole, write "NO NET DIPOLE". Use this information to determine if the molecule is...
3. Cyclic compounds The presence of the ring in all but very large ring cyclic molecules...
3. Cyclic compounds The presence of the ring in all but very large ring cyclic molecules prevents full rotation of the ring atoms. For this reason, stereoisomerism may also occur in cyclic molecules. a) Prepare a model of cyclohexane, C6H12. Draw the condensed formula. b) Build a model of methylcyclohexane (C7H14) by replacing one of the hydrogens of cyclohexane with a methyl group. Draw the skeletal formula for methylcyclohexane. 2 c) How many different isomers exist for methylcyclohexane (CyH34)? d)...
1. Draw Kekule (Line dot structures, Lewis dot structure) for the following compounds. (12 points, 3 each) A. CH2CH2 B. (CH3)3COH C. CH3COCH3 D. CO2 2. How many bonds do each of the following elements make in a stable, neutral molecule? (5 points, 1 each) (a) chlorine (b) oxygen (c) carbon (d) hydrogen (e) nitrogen
Make the following polyatomic organic compounds with your modeling kits. Draw the proper Lewis structure (wedges, dashes and lone pairs) and, when needed, label all the atoms in with their formal charges. What is the hybridization of each carbon atom? Which molecules have a net dipole moment (i.e. which are polar molecules)? Hybridization of Carbon Atom(s) Polar Proper Lewis Structure with formal charges 1,1-Difluoroethene: H2CCF2 (yes/no) a. b. Hydrogen cyanide: HCN Methanol: CH,OH c. Formic Acid: HCOOH d.
9. Draw the Lewis dot structure for the following compounds and identify their shape by writing the name of their shape on the line provided. (4 points per compound, 24 points total) The structures must obey the octet rule! a. CS2 b. NH3 c. SO2 d. H2P04- e. O f. NCO
(9) For each pair of molecules or ions below (i) Draw the Lewis dot structures. (If there is resonance, draw it.) (ii) Draw/Describe the VSEPR structures, including bonded electron pairs and lone pairs. (iii) Describe the structure of the molecule, considering all the bonds and atoms (but not lone pairs.) i.e., is the molecule straight? bent? etc. Angles between atoms? (iv) Indicate whether each molecule has a dipole moment, and mark the positive and negative poles. (v) Choose which molecule...
Lewis Structure Problem Set You must draw the Lewis structure with formal charges) for each molecullion to receive full credit 1. How many of the following have lone pairs on the centralatom? PFS NCI Seo 2. In how many of the following does the central atom contain exactly 1 double bond? NHN NO: NH: H-N -H 0. b= -5: HNH 3. How many of the following have at least one atom with a formal charge that is not zero? Which...
5.) Draw Lewis dot structures for the following molecules below. Next, draw the three dimensional structure for each molecule using lines, dashes and wedges. Write what the bond angles are in each case. Calculate the difference in electronegativity (AEN) between each pair of bonding atoms. Draw dipoles for each bond in the molecule and draw a net dipole if one exists. In there is no net dipole, write "NO NET DIPOLE". Use this information to determine if the molecule is...
3. Cyclic compounds The presence of the ring in all but very large ring cyclic molecules prevents full rotation of the ring atoms. For this reason, stereoisomerism may also occur in cyclic molecules. a) Prepare a model of cyclohexane, C6H12. Draw the condensed formula. b) Build a model of methylcyclohexane (C7H14) by replacing one of the hydrogens of cyclohexane with a methyl group. Draw the skeletal formula for methylcyclohexane. 2 c) How many different isomers exist for methylcyclohexane (CyH34)? d)...
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