JEE Main 2024 Chemistry question
2-chlorobutane + Cl₂ → C₄H₈Cl₂ (isomers). Total number of optically active isomers shown by C₄H₈Cl₂, obtained in the above reaction is .
Answer: 6
Solution
Chlorination of 2-chlorobutane can put the second Cl on each carbon. On C-1 (CH₂Cl–CHCl–CH₂CH₃) there are 2 optically active isomers; on C-2 (CH₃–CCl₂–CH₂CH₃) there
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