Homework Answers
A chiral molecule contains chiral carbon atom, which basically
attached to four different groups attached
and contains nonsuperimposable mirror images.
Therefore, we have to look for chiral carbon atoms and an internal
plane of symmetry.
If it contains an internal plane of symmetry then it is not a
chiral molecule.
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Which of the following molecules are chiral? If they are chiral, draw a circle around each...
help 7. Which of the following molecules are chiral? If they are chiral, draw a circle...
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7. Which of the following molecules are chiral? If they are chiral, draw a circle around each chiral carbon atom. There may be more than one chiral carbon atom in a molecule. H. CH₃ CH3 H-C-CH2CH2CCH2CH2CH2Br CH2CH3 C- Br F Br C-C-C-CI i H CICI Η Br -H H-cuc-c Br c- c c F-C-H BH CH₃ H-C-CH2CH2F CHE
Examine the following molecules, and circle any that are chiral. Then, draw a box around any...
Examine the following molecules, and circle any that are chiral. Then, draw a box around any meso compounds. 4. CH3 он H2N H3 Br CH он CI он H O NH 5. Assign the absolute configuration (Ror S) to each stereogenic center in the following chiral molecules using the Cahn-Ingold-Prelog priority rules
Which of the following is the definition of chiral a. The b. The c. A molecule...
Which of the following is the definition of chiral a. The b. The c. A molecule that has a carbon atom with d. A molecule with a mirror image e non-superposability of anbject ono orimage its m superposability of an object on isi bility of an object on its mirror different e with na aro Il that has a carbon atom with four d. A molecule with a mirror image a carbon atom with four different s. Which of the...
1. For each of the structure star asymmetric carbon atoms, Lab with R and Sand draw...
1. For each of the structure star asymmetric carbon atoms, Lab with R and Sand draw any internal mirror plane of symmetry and label chiral or achiral molecules and meso structures H3C CH2Br OH I Br H -ОН HOH CI Н. TH Br H Br H OH HH CH2Br CH2CH3 a b C Br Br CI CI d СН3 CH3 CH3 ...Н H ОН CHз CHз нас CH3 f е
Some molecules have more than one chiral carbon. In this case, the molecule itself may or...
Some molecules have more than one chiral carbon. In this case, the molecule itself may or may not be chiral. Which is true about following molecule? CI CI Difficulty: 3 - Hard Topic: Molecular Structure and Orbitals It is chiral because it has a chiral carbon It is chiral because it has two carbons It is achiral because it is the same as its mirror image It is chiral because its different from its mirror image It is achiral because...
4 a) Identify which molecules are chiral and which are achiral. For the chiral molecules stale...
4 a) Identify which molecules are chiral and which are achiral. For the chiral molecules stale the maximum mumber of possihle sterooisomers thal are possible for he molocales polats) H H coH EL b) For the following pairs of molecules give the confimuration of each chiral center aand indicate the relatioeship between the two molecules as enantiomers, diastereomers or same molecule: (13 points) H .CHs H. CM3 C 3 (O,H N CHs C9H NHs -H H -H + Ch H...
drawn in sawhorse forms Draw the structure of each of the following molecules using projection formulas...
drawn in sawhorse forms
Draw the structure of each of the following molecules using projection formulas (A) to (D) from Figure 2.1. Is there more than one way to represent each molecule? (a) F3C-CC13 (b) C12HC-CHCI (c) C F F ci (d) H3C-+-ci (e) FHC +ci Br Br Br Br
12. Classify each of the chiral carbons in the following structures as R or S (there...
12. Classify each of the chiral carbons in the following structures as R or S (there may be more than one in a molecule). (8 points) H OH H NH2 .CH3 HgN H CH3 H
12. Classify each of the chiral carbons in the following structures as R or S (there may be more than one in a molecule). (8 points) H OH H NH2 .CH3 HgN H CH3 H
Which of the following molecules possess both stereogenic carbons and is a meso compound? For the...
Which of the following molecules possess both stereogenic
carbons and is a meso compound?
For the following molecule, which statement is correct
Which of the following will NOT increase the rate of an SN2
reaction?
6) Which of the following molecules possess both stereogenic carbons and is a meso compound? (I mark) CH3 Br Н- -ОН Н- -ОН Br Br Н. Br -OH НС Н CH2CH3 Molecule B Molecule D Molecule A Molecule C a) Molecule A b) Molecule B...
6. For each of the molecules below (A-D), determine whether the molecule is chiral, achiral, meso,...
6. For each of the molecules below (A-D), determine whether the molecule is chiral, achiral, meso, or none. Be as specific as possible. (4 pts) CH3 CH3 CH3 CH2CH3 Bry CH₃ наслесна | HCBr CH2CH3 CH3 CH3 AB H3 CH3 HO CHARY 7. Consider isomers that contain a cyclopropane ring and have the molecular formula C5H10. (10 pts) a. Draw three (3) structures that would be included in this class of isomers and are achiral. Note: points will be deducted...
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7. Which of the following molecules are chiral? If they are chiral, draw a circle around each chiral carbon atom. There may be more than one chiral carbon atom in a molecule. H. CH₃ CH3 H-C-CH2CH2CCH2CH2CH2Br CH2CH3 C- Br F Br C-C-C-CI i H CICI Η Br -H H-cuc-c Br c- c c F-C-H BH CH₃ H-C-CH2CH2F CHE
Examine the following molecules, and circle any that are chiral. Then, draw a box around any meso compounds. 4. CH3 он H2N H3 Br CH он CI он H O NH 5. Assign the absolute configuration (Ror S) to each stereogenic center in the following chiral molecules using the Cahn-Ingold-Prelog priority rules
Which of the following is the definition of chiral a. The b. The c. A molecule that has a carbon atom with d. A molecule with a mirror image e non-superposability of anbject ono orimage its m superposability of an object on isi bility of an object on its mirror different e with na aro Il that has a carbon atom with four d. A molecule with a mirror image a carbon atom with four different s. Which of the...
1. For each of the structure star asymmetric carbon atoms, Lab with R and Sand draw any internal mirror plane of symmetry and label chiral or achiral molecules and meso structures H3C CH2Br OH I Br H -ОН HOH CI Н. TH Br H Br H OH HH CH2Br CH2CH3 a b C Br Br CI CI d СН3 CH3 CH3 ...Н H ОН CHз CHз нас CH3 f е
Some molecules have more than one chiral carbon. In this case, the molecule itself may or may not be chiral. Which is true about following molecule? CI CI Difficulty: 3 - Hard Topic: Molecular Structure and Orbitals It is chiral because it has a chiral carbon It is chiral because it has two carbons It is achiral because it is the same as its mirror image It is chiral because its different from its mirror image It is achiral because...
4 a) Identify which molecules are chiral and which are achiral. For the chiral molecules stale the maximum mumber of possihle sterooisomers thal are possible for he molocales polats) H H coH EL b) For the following pairs of molecules give the confimuration of each chiral center aand indicate the relatioeship between the two molecules as enantiomers, diastereomers or same molecule: (13 points) H .CHs H. CM3 C 3 (O,H N CHs C9H NHs -H H -H + Ch H...
drawn in sawhorse forms
Draw the structure of each of the following molecules using projection formulas (A) to (D) from Figure 2.1. Is there more than one way to represent each molecule? (a) F3C-CC13 (b) C12HC-CHCI (c) C F F ci (d) H3C-+-ci (e) FHC +ci Br Br Br Br
12. Classify each of the chiral carbons in the following structures as R or S (there may be more than one in a molecule). (8 points) H OH H NH2 .CH3 HgN H CH3 H
12. Classify each of the chiral carbons in the following structures as R or S (there may be more than one in a molecule). (8 points) H OH H NH2 .CH3 HgN H CH3 H
Which of the following molecules possess both stereogenic
carbons and is a meso compound?
For the following molecule, which statement is correct
Which of the following will NOT increase the rate of an SN2
reaction?
6) Which of the following molecules possess both stereogenic carbons and is a meso compound? (I mark) CH3 Br Н- -ОН Н- -ОН Br Br Н. Br -OH НС Н CH2CH3 Molecule B Molecule D Molecule A Molecule C a) Molecule A b) Molecule B...
6. For each of the molecules below (A-D), determine whether the molecule is chiral, achiral, meso, or none. Be as specific as possible. (4 pts) CH3 CH3 CH3 CH2CH3 Bry CH₃ наслесна | HCBr CH2CH3 CH3 CH3 AB H3 CH3 HO CHARY 7. Consider isomers that contain a cyclopropane ring and have the molecular formula C5H10. (10 pts) a. Draw three (3) structures that would be included in this class of isomers and are achiral. Note: points will be deducted...
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