How many stereoisomers are possible for 3-chlorobutan-2-ol, CH₃CH(OH)CH(Cl)CH₃?
Correct answer B. 4
Explanation
Carbons 2 and 3 are both chiral, and since they carry different substituents (OH and Cl) no meso form exists. The number of stereoisomers is 2ⁿ = 2² = 4.
Answer checked How we write and check questions
Discussion