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

ID: 801058 • Letter: O

Question

O. Chem

Is the following molecule chiral or achiral? chiral achiral Is the following molecule chiral or achiral? chiral achiral Name the compound below. (2S, 5R)-2-bromo-5-methylheptane (3S, 6R)-6-bromo-3-methylheptane (3R, 6S)-6-bromo-3-methylheptane (2R, 5S)-2-bromo-5-methylheptane How many chiral centers are in the molecule below? 1 2 3 4 Chiral Centers If a melecule has three chiral centers, how many stereoisomers are possible? 3 8 6 9 In the following molecule, which carbons are chiral? 1,4,6 3,5 1,3,4 4,5 Priority Of the following, which group has the highest priority? -CH=CH2 -CHO -CH3 -COOH Of the following, which group has the highest priority? -OH -CO2CH3 -CO2H -CH2OH R or S 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 Identity the enantiomer(s) of the molecule below A B D A and B A and C What is the relationship between the two molecule below? constitutional isomers enantiomers diasteriomers identical Nomenclature How would you name the compound below? (S)-2-chlorobutane (S)-3-chlorobutane (R)-3-chlorobutane (R)-2-chlorobutane

Explanation / Answer

1.chiral (A)

2. chiral (A)

3 .two(B)

4. eight (B)

5 .4&5(D)

6 .COOH (D)

7. OH (A)

8.S(B)

9. S(B)

10. S(B)

11.same(A)

12.A&B(A)

13.no(B)

14.B(B)

15.B&C(E)

16.enantiomer (B)

17.(R)-2-chlorobutane(D)

18.(2R,5S)-2-bromo-5-methylheptane (D)