JEE Main & Advanced AIEEE Solved Paper-2012

  • question_answer
    How many chiral compounds are possible on monochlorination of 2- methyl butane?   AIEEE  Solved  Paper-2012

    A) 8                               

    B) 2

    C) 4                               

    D) 6

    Correct Answer: C

    Solution :

                 \[\overset{\begin{smallmatrix}  Cl \\  | \end{smallmatrix}}{\mathop{C}}\,{{H}_{2}}-\overset{*}{\mathop{\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{C}}\,}}\,H-C{{H}_{2}}-C{{H}_{3}}\]                                 (R + S)                                                \[C{{H}_{3}}-\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{C}}\,H-\overset{\begin{smallmatrix}  Cl \\  | \end{smallmatrix}}{\mathop{\underset{*}{\mathop{C}}\,}}\,H-C{{H}_{3}}\]                                 (R + S)   Fourmonochloro derivatives are chiral.


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