Homework Answers
Any molecule is said to be chiral if it does not contain any plane of symmetry .
Plane of symmetry - which divide anything into two equal parts .
Answer -( C) an ear has no plane of symmetry . Remaining compound contain plane of symmetry so achiral molecule.
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7. Which of the following is chiral? d. a piece of string a a sock ba spoon e. a cartire can ear
4. Which of the following has the least ring strain? d.lv bil . av ev C. III 5. Which structure best represents th...
4. Which of the following has the least ring strain? d.lv bil . av ev C. III 5. Which structure best represents the following disubstituted cyclohexane? 5. which is 6. Which of the following chair conformation is lowest in energy? fatto og Å HA a. 1 d. IV b. II e. v C. III 7. Which of the following is chiral? a a sock da Piece of string ba spoon e. a cartire can ear 18. How many chiral centers...
Which of the following are inter-convertible by rotation around single bonds? cis- & trans-alkene b. Constitutional...
Which of the following are inter-convertible by rotation around single bonds? cis- & trans-alkene b. Constitutional isomers c. chair & boat cyclohexane d. enantiomers d. More than one of the above a. Which of the following objects is/are chiral? Circle all possible answers. a. c. Human nose d. Human ear a fork b. a spoon e. a ball Which of the following isomers do not have the same connectivity? a. Stereoisomers b. Chair and boat conformations of cyclohexane c. Constitutionl...
help 7. Which of the following molecules are chiral? If they are chiral, draw a circle...
help
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
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...
Which of the following statements is correct for gas chromatography for chiral molecules Which of the...
Which of the following statements is correct for gas
chromatography for chiral molecules
Which of the following statements is correct for gas chromatography for chiral molecules Select one: o a. Chiral molecules may be separated using an optically active stationary phase O b. Chiral molecules cannot be separated in gas chromatography O c. Any stationary phase can be used to separate chiral molecules O d. Only non-optically active stationary phases may be used to separate chiral molecules
Which of the following molecules are chiral? If they are chiral, draw a circle around each...
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. 7. Br F Br CH3 CH3 Br H CI C CH2CH3 CH3 H-C-CH2CH2F CH3
:8. How many chiral centers are in the following molecule? a zero d. four bone e,...
:8. How many chiral centers are in the following molecule? a zero d. four bone e, eight c Two
Which of the following metals will dissolve in HCl? A. Al B. Ba C. Na D....
Which of the following metals will dissolve in HCl? A. Al B. Ba C. Na D. Mn E. all of the above
Which of the following are the primary afferents from the ear to the CNS? In other...
Which of the following are the primary afferents from the ear to the CNS? In other words, what cells in the ear have axons that send sensory information to auditory structures in the CNS? Select one: a. Hair cells b. Bipolar cells of the spiral ganglion c. Stapes d. Stereocilia e. Rods and cones
e based on compound A shown below: many chiral stercoisomers can be drawn for compound A...
e based on compound A shown below: many chiral stercoisomers can be drawn for compound A (shown belowy? H, D, O. Number of chiral stereoisomers d A 21· The absolute configurations at the carbons labeled C-1 and C-2 in compound A (shown above) are, respectively (A) 1R,2R (B) 1R,2S (C) 1S,2R (D) 1S,2s (E) C-1 and C-2 are not stereogenic centers dintes drnicted below as either free radical, radical anion, radical catio
4. Which of the following has the least ring strain? d.lv bil . av ev C. III 5. Which structure best represents the following disubstituted cyclohexane? 5. which is 6. Which of the following chair conformation is lowest in energy? fatto og Å HA a. 1 d. IV b. II e. v C. III 7. Which of the following is chiral? a a sock da Piece of string ba spoon e. a cartire can ear 18. How many chiral centers...
Which of the following are inter-convertible by rotation around single bonds? cis- & trans-alkene b. Constitutional isomers c. chair & boat cyclohexane d. enantiomers d. More than one of the above a. Which of the following objects is/are chiral? Circle all possible answers. a. c. Human nose d. Human ear a fork b. a spoon e. a ball Which of the following isomers do not have the same connectivity? a. Stereoisomers b. Chair and boat conformations of cyclohexane c. Constitutionl...
help
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
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...
Which of the following statements is correct for gas
chromatography for chiral molecules
Which of the following statements is correct for gas chromatography for chiral molecules Select one: o a. Chiral molecules may be separated using an optically active stationary phase O b. Chiral molecules cannot be separated in gas chromatography O c. Any stationary phase can be used to separate chiral molecules O d. Only non-optically active stationary phases may be used to separate chiral molecules
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. 7. Br F Br CH3 CH3 Br H CI C CH2CH3 CH3 H-C-CH2CH2F CH3
:8. How many chiral centers are in the following molecule? a zero d. four bone e, eight c Two
e based on compound A shown below: many chiral stercoisomers can be drawn for compound A (shown belowy? H, D, O. Number of chiral stereoisomers d A 21· The absolute configurations at the carbons labeled C-1 and C-2 in compound A (shown above) are, respectively (A) 1R,2R (B) 1R,2S (C) 1S,2R (D) 1S,2s (E) C-1 and C-2 are not stereogenic centers dintes drnicted below as either free radical, radical anion, radical catio
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