If a carbon atom is a stereocenter, which of the following statements must be tr

Question

If a carbon atom is a stereocenter, which of the following statements must be true about that carbon? A). It has a double bond and two single bonds. B. It has two double bonds. C. It has four single bonds. D. Any of these bonding arrangements can be associated with a stereocenter A pair of molecules which are not superposable mirror images of each other are known as which of the following? A. enantiomer B. diastereomers C). constitutional isomers D). cis-trans isomers Which of the three isomeric alcohols, 2-butanol, 2-methyl-l-propanol, and 2-methyl-2-propanol, A. only 2-butanol B. l only-2 methyl 1-propanol C). both 2-butanol and 2-methyl-1-propanol D). both 2-methyl-1-propanol and 2-methyl-2-propanol Which of the halogens has the highest priority when determining the configuration of a stereocenter? A) fluorine B). chlorine C). bromine D) iodine What is the maximum number of stereoisomers possible for a molecule which has four stereocenters? A) 4 B) 8 C) 16 D) 32 Which of the following has the groups in the correct priority order (from lowest to highest)? A). -CH_2CH_3, -CH_3, -CH_2NH_2, -CH_2OH B) -CH_2OH, -CH_3, -CH_2NH_2, -CH_2CH_3 C) CH_3, -CH_2CH_3, -CH_2NH_2, -CH_2OH D).- CH_2OH, -CH_2NH_2, -CH_2CH_3, -CH_3

Explanation / Answer

1 = stereo center must posses 4 different groups so carbon having 4 single bonds

2 = non super imposable mirror images called enantiomers

3 = ch3-ch(oh)-ch2-ch3 in this 2nd carbon having 4 different groups so answer is 2-butanol

4 = highest atomic number element gets first priority so iodine gets first answer -d

5 = no of stereo isomers equal to the 2^n rule where n= no of stereo centers

     so answer is = 16 (option = c)

6 = as per iupac priority order answer = c is correct

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