Stereochemistry of Organic Compounds
Chemistry ⇒ Carbon and Organic Chemistry
Stereochemistry of Organic Compounds starts at 10 and continues till grade 12.
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A compound has three chiral centers. What is the maximum number of stereoisomers possible?
Assign the R or S configuration to a chiral center using the Cahn-Ingold-Prelog priority rules.
Define enantiomers.
Describe the difference between enantiomers and diastereomers.
A compound has the molecular formula C₄H₈Cl₂ and shows optical activity. Which of the following is a possible structure? (1) 1,2-dichlorobutane (2) 1,3-dichlorobutane (3) 2,3-dichlorobutane (4) 1,4-dichlorobutane
A compound has three chiral centers. What is the maximum number of stereoisomers possible?
Explain why 2,3-dibromobutane can exist as three stereoisomers.
The optical rotation of a pure enantiomer is +25°. What is the optical rotation of its racemic mixture?
A compound has the molecular formula C₄H₈Cl₂ and shows optical activity. Which of the following is a possible structure? (1) 1,2-dichlorobutane (2) 1,3-dichlorobutane (3) 2,3-dichlorobutane (4) 1,4-dichlorobutane
Which of the following compounds is optically active? (1) 2-butanol (2) 2-propanol (3) Benzene (4) 1,2-dichloroethane
Which of the following is a correct statement about conformers? (1) They are different compounds. (2) They are interconvertible by rotation about single bonds. (3) They are always chiral. (4) They have different molecular formulas.
Which of the following is a meso compound? (1) 2,3-dibromobutane (2) 2,3-dichloropentane (3) 2,3-butanediol (4) 2,3-dihydroxybutanedioic acid (tartaric acid)
A compound with two chiral centers can have a maximum of ________ stereoisomers.
A meso compound is ________.
A racemic mixture contains ________ amounts of two enantiomers.
The number of possible stereoisomers for a molecule with n chiral centers is ________.
True or False: A molecule with an even number of chiral centers can never be achiral.
True or False: A racemic mixture is optically inactive.
True or False: All chiral molecules are optically active.
True or False: All molecules with a stereocenter are chiral.
