Homework Answers
(iii) dppe complexes are more common because dppe is bidentate ligand , if forms five membered ring with the metal center. While dppm forms four membered ring, which is unstable due to excess strain. dppm can act as monodentate in some complexes , which are not stabilized chelation effect. dppm generally forms multi metallic complexes, to form five membered ring as shown in the above picture.
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Complexes with chelating ligands such as dppe 1,2-bis(diphenylphosphino)e thane are more common than complexes with dppm...
xplain why chelating ligands give more stable complexes than monodentate ligands; use a balanced chemical equation...
xplain why chelating ligands give more stable complexes than monodentate ligands; use a balanced chemical equation in your explanation. Explain why macrocyclic ligands give more stable complexes than chelating ligands.
1. For each pair of complexes given below (a-e), predict which complex will be more prone...
1. For each pair of complexes given below (a-e), predict which complex will be more prone to decomposition by reductive elimination. Briefly give your reasoning. a) PdMean2-dppe)] or [PtMe2(n2-dppe)] b) [PdMe2(n2-dppe)] or [PdMe2(n2-depe)] c) trans-[PdMe2(PPhs)2] or cis-[PdMe2(PPhs)2] d) [AuMe4)'or cis-TrMe2(PMe3)2]. e) [PdBr(?-dppe)] or [PdH(Me)(?2-dppe)] dppe-1 ,2-bis(diphenylphosphino)ethane depe 1,2-bis(dicyclohexylphosphino)ethane
2. (3 points) In lab, you will form complexes using different ligands. Use your lab manual to identify and draw the str...
2. (3 points) In lab, you will form complexes using different ligands. Use your lab manual to identify and draw the structural formula (lewis formula) for the following: a. A charged monodentate ligand (answer cannot be a halide ion) b. A polydentate ligand c. The CO ligand, not used in the laboratory. Is it likely CO can form a coordinate covalent bond from more than one atom? Explain. NC CN Ni Geometry of Coordination Compounds A compounds geometry (i.e., how...
From the following list of metal ions and ligands, construct metal complexes with properties which match...
From the following list of metal ions and ligands, construct metal complexes with properties which match that described in each part of the question and provide a brief explanation. (Only one example is required for each part of the question, e.g. [Fe(H20)6]21). Metal ions Ligands (in order of increasing ligand field strength) [ < Br< <C1° <NO3 <OH <ox?- <H2O< Ti(IV), V(III), V(IV), Cr(II), Cr(III), Mn(II), NH3 <en <bpy < PPh3< CN=CO Mn(III), Mn(IV), Fe(II), Fe(III), Co(II), Co(III), en =...
1. Answer all parts to this question. From the following list of metal ions and ligands,...
1. Answer all parts to this question. From the following list of metal ions and ligands, construct metal complexes with properties which match that described in each part of the question and provide a brief explanation (Only one example is required for each part of the question, eg [Fe(H:01) Metal ions Ligands in order of increasing ligand field strength) I <Br <C<NO, <OHOXH.0 Ti(IV), V(III), V(IV), CHIT), CHIIT), Min(II). NH<em<bry<PPh<N =CÓ Mn(III). Mn(IV), Fe(II) Fe(III). CoII), COIIT) en = ethylenediamine...
3. Of course, there is much more to the Cope rearrangement than I let on. Typical,...
3. Of course, there is much more to the Cope rearrangement than I let on. Typical, right? Notice the differences in alkene geometry below. Provide a detailed explanation for how the alkene geometry is determined for each system. Use words and drawings to support your answer. TIP: Hardest question on this PW! Be brave! Me, Me: Me (E) heat heat 2. 32 ) Me Me Me Me Me (E) (E)
Please take your time to answer all questions clearly and correctly... More Nomenclature and Symmetry Learning...
Please take your time to answer all questions clearly and
correctly...
More Nomenclature and Symmetry Learning Objectives: 1, Determine the rules for naming coordination compounds including special orientation of ligands 2. Use the rules to determine structures and formula from names and vice versa. 1. Isomerism in metal complex nomenclature: For the remainder of this assignment you can reference Figure 1 which contains a collection of metal complex structures with their chemical names and chemical compositions. Answer questions a -e....
1. What is a structure based explanation for why acetamide is more stable than acetone. I'm...
1. What is a structure based explanation for why acetamide is
more stable than acetone. I'm pretty sure it has to do with
resonance.
2. also for question F im fairly sure it has to do with
resonance again but I not sure exactly why. could someone answer
and explain?
F. Draw the conjugate base for each compound below and draw the appropriate structures to explain the difference in N-H acidity pKa~9.5 pKa 16 N-H N-H
Please help me with the following questions. Provide me with explinations and more than just "this...
Please help me with the following questions. Provide me
with explinations and more than just "this is the answer" Thank you
for your help!!
Determine whether or not each of
the following molecules is polar. For those that are, draw an arrow
indicating the direction of the net dipole moment. (See attached
image for the 4 different molecules it's asking about)
Which of the following iNOT an
acceptable resonance contributor for the o-nitrophenoxide ion?
Explain your answer. (See attached image...
What is the coordination number for each of the following complexes or compounds? [Co(NH3)4Cl2]+ [Ca(EDTA)]2− [Pt(NH3)4]2+...
What is the coordination number for each of the following
complexes or compounds?
[Co(NH3)4Cl2]+
[Ca(EDTA)]2−
[Pt(NH3)4]2+
Na[Ag(CN)2]
Enter the coordination numbers, in the order that the complexes
are listed, as four integers separated by commas (e.g.,
1,2,3,4).
What is the charge on each of the following complex ions?
hexaaquairon(II), [Fe(H2O)6]?
tris(carbonato)aluminate(III), [Al(CO3)3]?
amminepentachloroplatinate(IV), [Pt(NH3)Cl5]?
Express the charges numerically, in the order that the complexes
are listed, separated by commas. For a nonzero charge, be sure to
include the sign (e.g.,...
xplain why chelating ligands give more stable complexes than monodentate ligands; use a balanced chemical equation in your explanation. Explain why macrocyclic ligands give more stable complexes than chelating ligands.
1. For each pair of complexes given below (a-e), predict which complex will be more prone to decomposition by reductive elimination. Briefly give your reasoning. a) PdMean2-dppe)] or [PtMe2(n2-dppe)] b) [PdMe2(n2-dppe)] or [PdMe2(n2-depe)] c) trans-[PdMe2(PPhs)2] or cis-[PdMe2(PPhs)2] d) [AuMe4)'or cis-TrMe2(PMe3)2]. e) [PdBr(?-dppe)] or [PdH(Me)(?2-dppe)] dppe-1 ,2-bis(diphenylphosphino)ethane depe 1,2-bis(dicyclohexylphosphino)ethane
2. (3 points) In lab, you will form complexes using different ligands. Use your lab manual to identify and draw the structural formula (lewis formula) for the following: a. A charged monodentate ligand (answer cannot be a halide ion) b. A polydentate ligand c. The CO ligand, not used in the laboratory. Is it likely CO can form a coordinate covalent bond from more than one atom? Explain. NC CN Ni Geometry of Coordination Compounds A compounds geometry (i.e., how...
From the following list of metal ions and ligands, construct metal complexes with properties which match that described in each part of the question and provide a brief explanation. (Only one example is required for each part of the question, e.g. [Fe(H20)6]21). Metal ions Ligands (in order of increasing ligand field strength) [ < Br< <C1° <NO3 <OH <ox?- <H2O< Ti(IV), V(III), V(IV), Cr(II), Cr(III), Mn(II), NH3 <en <bpy < PPh3< CN=CO Mn(III), Mn(IV), Fe(II), Fe(III), Co(II), Co(III), en =...
1. Answer all parts to this question. From the following list of metal ions and ligands, construct metal complexes with properties which match that described in each part of the question and provide a brief explanation (Only one example is required for each part of the question, eg [Fe(H:01) Metal ions Ligands in order of increasing ligand field strength) I <Br <C<NO, <OHOXH.0 Ti(IV), V(III), V(IV), CHIT), CHIIT), Min(II). NH<em<bry<PPh<N =CÓ Mn(III). Mn(IV), Fe(II) Fe(III). CoII), COIIT) en = ethylenediamine...
3. Of course, there is much more to the Cope rearrangement than I let on. Typical, right? Notice the differences in alkene geometry below. Provide a detailed explanation for how the alkene geometry is determined for each system. Use words and drawings to support your answer. TIP: Hardest question on this PW! Be brave! Me, Me: Me (E) heat heat 2. 32 ) Me Me Me Me Me (E) (E)
Please take your time to answer all questions clearly and
correctly...
More Nomenclature and Symmetry Learning Objectives: 1, Determine the rules for naming coordination compounds including special orientation of ligands 2. Use the rules to determine structures and formula from names and vice versa. 1. Isomerism in metal complex nomenclature: For the remainder of this assignment you can reference Figure 1 which contains a collection of metal complex structures with their chemical names and chemical compositions. Answer questions a -e....
1. What is a structure based explanation for why acetamide is
more stable than acetone. I'm pretty sure it has to do with
resonance.
2. also for question F im fairly sure it has to do with
resonance again but I not sure exactly why. could someone answer
and explain?
F. Draw the conjugate base for each compound below and draw the appropriate structures to explain the difference in N-H acidity pKa~9.5 pKa 16 N-H N-H
Please help me with the following questions. Provide me
with explinations and more than just "this is the answer" Thank you
for your help!!
Determine whether or not each of
the following molecules is polar. For those that are, draw an arrow
indicating the direction of the net dipole moment. (See attached
image for the 4 different molecules it's asking about)
Which of the following iNOT an
acceptable resonance contributor for the o-nitrophenoxide ion?
Explain your answer. (See attached image...
What is the coordination number for each of the following
complexes or compounds?
[Co(NH3)4Cl2]+
[Ca(EDTA)]2−
[Pt(NH3)4]2+
Na[Ag(CN)2]
Enter the coordination numbers, in the order that the complexes
are listed, as four integers separated by commas (e.g.,
1,2,3,4).
What is the charge on each of the following complex ions?
hexaaquairon(II), [Fe(H2O)6]?
tris(carbonato)aluminate(III), [Al(CO3)3]?
amminepentachloroplatinate(IV), [Pt(NH3)Cl5]?
Express the charges numerically, in the order that the complexes
are listed, separated by commas. For a nonzero charge, be sure to
include the sign (e.g.,...
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