Homework Answers
option 3,4,5 are correct .
option 1 is wrong because of all molecules in which levorotatory should be R configuration.
option 2 is wrong because molecules have a chiral carbon when all the 4 legends are different
Add Answer to:
Part A ring Which of the following is a true statement? All molecules which possess two...
Which of the following is a true statement? A. All achiral molecules are meso.
Which of the following is a true statement? A. All achiral molecules are meso. b. All chiral molecules possess a plane of symmetry. c. All molecules which posses a single asymmetric center of the S configuration are levorotatory . D. A mixture of achiral compounds will be optically inactive. E. All molecules which possess 2 or more chirality centers will be chiral.
Which statement(s) about meso compounds is (are) true? Choose all that applies: a. Meso compounds are...
Which statement(s) about meso compounds is (are) true? Choose all that applies: a. Meso compounds are optically inactive. b. Meso compounds contain a plane of symmetry. c. A meso compound and enantiomers are superimposable mirror images of each other. d. A meso compound contains at least one chiral center. e. A meso compound has same physical properties from its stereoisomers.
For the following question(s) MATCH each definition to a term from the list below. Place the...
For the following question(s) MATCH each definition to a term from the list below. Place the letter of the term in the blank to the left of the definition. a. racemates b. chirality center c. chirality d. diastereomers e. enantiomers f. meso compounds g. optically active h. prochirality center i. optically inactive j. achiral ____ describes organic molecules which rotate plane-polarized light. ___ is the property of "handedness": the property of an object that causes it to be nonsuperimposable on...
9. C (Z-2-hexene d. They are all of equal stability. Choose the most stable alkene among...
9. C (Z-2-hexene d. They are all of equal stability. Choose the most stable alkene among the following a 1-hexene b. (E)-2-hexene 10. What is the relation between an enantiomer's configuration and its specific rotation? (a) Rcompounds usually are dextrorotatory with few exceptions (b) R compounds always are dextrorotatory. (c) There is no relation. (d) R compounds always are levorotatory 11. How many chiral centers are there in tartaric acid, and how many different stereoisomers exist for this acid? он...
10) Which of the following statements is (are) true for the compound (R)-2-butanol? A) This compound...
10) Which of the following statements is (are) true for the compound (R)-2-butanol? A) This compound is chiral. B) This compound is optically active. C) This compound has an enantiomer D) all of the above E) none of the above 11) Predict the specific rotation of the compound shown. CH нс A) It is impossible to predict; it must be determined experimentally. B) Because both asymmetric centers are R, the compound is dextrorotatory. C) Because both asymmetric centers are S,...
Geometric Geometric Geometric 23. Organic molecules which are optically active and they are mirror images to...
Geometric Geometric Geometric 23. Organic molecules which are optically active and they are mirror images to each other are called....... Enantiomers. a. Chain isomers. d. Geometrical isomers c. Diastereoisomers. 24. The organic molecule that rotates the plane-polarized light to left is called a. Dextrorotatory b. Functional isomers c. Positional isomers d. levorotatory 25. The organic molecule that rotates the plane-polarized light to right is called a. Dextrorotatory b. Functional isomers c. Positional isomers d. levorotatory 26. Chiral molecules are organic...
17. Which of the following statements is true? ado on dai Jal A) Achiral molecules usually...
17. Which of the following statements is true? ado on dai Jal A) Achiral molecules usually contain a plane of symmetry B) With one tetrahedral stereogenic center, a molecule may or may not be chiral. C) With two or more stereogenic centers, a molecule is always chiral. D) Chiral molecules usually contain a plane of symmetry 18. Which of the following is the correct definition for a pair of enantiomers? A) A pair of stereoisomers that have a plane of...
Circle all the molecules that have an internal plane of symmetry. Note: rotation around a C-C...
Circle all the molecules that have an internal plane of symmetry. Note: rotation around a C-C bond may be required to see a plane of symmetry (0.4 pts) HCI OH OH H Quinox is a P-stereogenic bisphosphine ligand. Determine the (RS) configurations of the phosphorus atoms, draw the mirror image of the compound, and label the compound as chiral or achiral. (0.5 pts) Chiral or Achiral? If one of the two chiral centers in a molecule has the R-configuration and...
Which of the solutions listed below would be optically inactive? Select all that applies. a. A...
Which of the solutions listed below would be optically inactive? Select all that applies. a. A solution of a meso compound. b. A solution of a single enantiomer. C. A solution of an achiral organic compound. d. A racemic mixture
1. Draw the two stereoisomeric products from the following reaction, which uses a single enantiomer (i.e....
1. Draw the two stereoisomeric products from the following
reaction, which uses a single enantiomer (i.e. optically active
compound) as the starting material.
2. Write a detailed reaction mechanism for the reaction.
3. Determine the R/S configuration for the original chiral
center and any new chiral centers formed in the reaction.
4. Comment upon whether a 1:1 mixture of the two compounds in
part 1 would be optically active.
CIH HBr
For the following question(s) MATCH each definition to a term from the list below. Place the letter of the term in the blank to the left of the definition. a. racemates b. chirality center c. chirality d. diastereomers e. enantiomers f. meso compounds g. optically active h. prochirality center i. optically inactive j. achiral ____ describes organic molecules which rotate plane-polarized light. ___ is the property of "handedness": the property of an object that causes it to be nonsuperimposable on...
9. C (Z-2-hexene d. They are all of equal stability. Choose the most stable alkene among the following a 1-hexene b. (E)-2-hexene 10. What is the relation between an enantiomer's configuration and its specific rotation? (a) Rcompounds usually are dextrorotatory with few exceptions (b) R compounds always are dextrorotatory. (c) There is no relation. (d) R compounds always are levorotatory 11. How many chiral centers are there in tartaric acid, and how many different stereoisomers exist for this acid? он...
10) Which of the following statements is (are) true for the compound (R)-2-butanol? A) This compound is chiral. B) This compound is optically active. C) This compound has an enantiomer D) all of the above E) none of the above 11) Predict the specific rotation of the compound shown. CH нс A) It is impossible to predict; it must be determined experimentally. B) Because both asymmetric centers are R, the compound is dextrorotatory. C) Because both asymmetric centers are S,...
Geometric Geometric Geometric 23. Organic molecules which are optically active and they are mirror images to each other are called....... Enantiomers. a. Chain isomers. d. Geometrical isomers c. Diastereoisomers. 24. The organic molecule that rotates the plane-polarized light to left is called a. Dextrorotatory b. Functional isomers c. Positional isomers d. levorotatory 25. The organic molecule that rotates the plane-polarized light to right is called a. Dextrorotatory b. Functional isomers c. Positional isomers d. levorotatory 26. Chiral molecules are organic...
17. Which of the following statements is true? ado on dai Jal A) Achiral molecules usually contain a plane of symmetry B) With one tetrahedral stereogenic center, a molecule may or may not be chiral. C) With two or more stereogenic centers, a molecule is always chiral. D) Chiral molecules usually contain a plane of symmetry 18. Which of the following is the correct definition for a pair of enantiomers? A) A pair of stereoisomers that have a plane of...
Circle all the molecules that have an internal plane of symmetry. Note: rotation around a C-C bond may be required to see a plane of symmetry (0.4 pts) HCI OH OH H Quinox is a P-stereogenic bisphosphine ligand. Determine the (RS) configurations of the phosphorus atoms, draw the mirror image of the compound, and label the compound as chiral or achiral. (0.5 pts) Chiral or Achiral? If one of the two chiral centers in a molecule has the R-configuration and...
Which of the solutions listed below would be optically inactive? Select all that applies. a. A solution of a meso compound. b. A solution of a single enantiomer. C. A solution of an achiral organic compound. d. A racemic mixture
1. Draw the two stereoisomeric products from the following
reaction, which uses a single enantiomer (i.e. optically active
compound) as the starting material.
2. Write a detailed reaction mechanism for the reaction.
3. Determine the R/S configuration for the original chiral
center and any new chiral centers formed in the reaction.
4. Comment upon whether a 1:1 mixture of the two compounds in
part 1 would be optically active.
CIH HBr
Most questions answered within 3 hours.
-
The Problem: The Case of the Harmonizing Vacations
Your CEO is exploring partnering with a European...
asked 40 seconds ago -
A chemical equation is balanced by adding coefficients in front
of some formulas so that the...
asked 30 seconds from now -
From the literature (reference your sources): What are the
lattice parameters of calcite and aragonite? Why...
asked 39 minutes ago -
Your system is rejecting the question am asking which is
preceded by a case study. It...
asked 43 minutes ago -
3. On January 2, 2000, Larry creates a trust with himself as
trustee. Larry as trustee...
asked 40 minutes ago -
A member of the volleyball team spikes the ball. During this
process, she changes the velocity...
asked 47 minutes ago -
Are adult gamers less likely to use a gaming console (Xbox,
PlayStation, Wii, etc...) than teen...
asked 1 hour ago -
The University of
Texas recently reported that 43% of college students aged 18-24
would spend their...
asked 1 hour ago -
The length of stay at a specific emergency department in
Phoenix, Arizona, in 2009 had a...
asked 1 hour ago -
. Please give the mechanism for this type of problem. Step by
Step
The toxin that...
asked 1 hour ago -
If you have a 1M stock solution and you want to dilute 1 :10
with water,...
asked 1 hour ago -
In a load instruction, the effective address is obtained by
A) Retriving the address from a...
asked 1 hour ago