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O. Chem Is the following molecule chiral or achiral? chiral achiral Is the follo

ID: 801254 • Letter: O

Question

O. Chem

Is the following molecule chiral or achiral? chiral achiral Is the following molecule chiral or achiral? chiral achiral How many chiral centers are in the molecule below? 1 2 3 4 Chiral Centers If a molecule has seven chiral centers, how many stereoisomers are possible? 7 14 49 128 In the following molecule, which carbons are chiral? 3,6,7,9 O 3,6,9 3,7,9 2,7,8 Priority Of the following, which group has the highest priority? -CH2OH -CH2NH2 -CN -NH2 Priority Of the following, which group has the lowest priority? -CH2CH2OH -H -CH2CH3 -OH Is the following molecule R, S, or achiral? R S achiral R or S Assign R or S to the indicated chiral center in the molecule below. R S Is the indicated chiral center R or S? R S Same or Not Do the two molecules below have the same chirality? (eg. both S or both R) same different Which of the following represent identical molecules? A and B A and C B and C all of them none of them Meso Is the following molecule a meso compound? yes no Identify the enantiomer(s) of the molecule below. A B C A and B B and C Identify the diastereomer(s) of the molecule below. A B C A and C B and C What is the relationship between the two molecules below? enantiomers constitutional isomers identical diastereomers Nomenclature How would you name the compound below? (R)-4-methyl-1 -hexene (S)-3-methyl-5-hexene (S)-4-methyl-1-hexene (R)-3-methyl-5-hexene What is the name of the following molecule? (3R, 4S)-4-chloro-3-methylpentane (2R, 3R)-2-chloro-3-methylpentane (2S, 3R)-2-chloro-3-methylpentane 3R, 4R)-4-chloro-3-methylpentane

Explanation / Answer

1.A

2.B

3.B

4.D

5.A

6.A

7.B

8.B

9.A

10.A

11.A

12.D

13.A

14.B

15.B

16.D

17D

18.B