Consider 2,4-dichloro-3-methylpentane: How many stereoisomers are possible for this compound? a)8 b)6 c)4 d)3 e)2
the choices are:
a.) 2
b.) 4
c.) 8
d.)16
24. How many stereoisomers are possible for the following compound? ŅH OH CH3-CH-CH-CH-COOH OH a. 2 b. 4
A. aldehyde B. ketones C. carboxylic acids D. esters 7, How many stereoisomers of 2,4-pentanediol are possible? но он В. З A. 2 C. 4 D. 6 8.Which one of the following is a diastereomer of (2R, 3R)-2,3-dibromopentane? A. (2S,3S)-2,3-dibromopentane C.R-1,2-dibromopentane B. (2S,3R)-2,3-dibromopentane D. (2R,4R)-2,4-dibromopentane 9. Which one of the following groups has the highest rank as assigned by the Cahn-Ir Prelog system for stereogenic carbons? A. -CH-CH2 B. -CH20H C.-CH-0 D. -CH2SH 10. Which of the following statements are...
2) a) Consider 2-bromo-3-chlorobutane. How many stereoisomers are possible for this compound? Draw all stereoisomers, label each stereocenter with the appropriate R/S designation to show handedness, and indicate the relationship (enantiomers or diastereomers) between every possible pairing of compounds. Name each compound according to IUPAC nomenclature, using appropriate R/S designation to show handedness. b) Repeat this exercise for 2,3-Butanediol. What is different about this compound relative to the first example? What word describes the unique stereoisomer? c) Which of the...
(2) Hta H- CH CAH CH3 is properly named: A) (3R.4S,5R)-3,5-Dichloro-4-methylhexane B) (2S,3S,4S)-2,4-Dichloro-3-methylhexane c) (2S 3R 4R)-2,4-Dichloro-3-methylhexane D) (25.3R.45)-2,4-Dichloro-3-methylhexane E) (2S,3S,4R)-2,4-Dichloro-3-methylhexane AO BO co DO Е О MacBook Air
21. How many stereoisomers are possible for the following molecule? CHCH3 a. 1 b. 2 c. 4 d. 8 e. 16
d. AG-AH-AS/T 42. How many stereoisomers of 4-chloro-2-methylpentane (CHs):CHCH:CHCICHs, exist? a. I b. 2 c. 3 d. 4 43. What is the major organic product obtained from the reaction of 1-butanol with aqueous HBr at reflux? a. 1-bromobutane b. 2-bromobutane c. 2-bromo-1-butanol d. 1-butene 44. Which of the following alcohols reacts fastest with HBr to give the corresponding alkyl bromide? a. methanol b. ethanol 2-propanol d. 2-methyl-2-propanol C. 45.Which of the following alcohols undergoes the most H2SO4 to give rapid...
A) how many stereoisomers are possible for this compound? Show
how this can be easily determined mathematically
B) draw all stereoisomers for this compound. Use dashes and
wedges appropriately at each stereo center. DO NOT SHOW HYDROGEN
ATOMS @ EACH STEREOCENTER
C) Identify and label each pair of stereoisomers drawn in part
B (above) as either enantiomers or diastereomers
D) identify and label each pair(s) of stereoisomers that would
be optically inactive as 50/50 mixture in a polarimeter and explain...
3. Consider the molecules A and B shown. (2 points) i. How many stereoisomers are possible? ii. Draw each of the possible stereoisomers. он CI Он iii. Identify pairs of enantiomers and pairs of diastereomers. A. В
The maximum number of possible stereoisomers of the following compound is: CH_3CHCHCHCH_3 2 4 6 8 0
8. Are there other possible isomers of 2-methylpentane/3- methylpentane? If so, what are they? If not, why not? (10 pts.) Part III 9. Explain how the name of the molecules indicated what functional groups were present in the molecule. Give examples for at least 5 functional groups. (15 pts.) What properties of a molecule do functional groups effect? Name at least two. (15 pts.) 10. Part IV: 11 What are the differences between structural isomers and stereoisomers? (8 pts.) Determine...