NEET Chemistry NEET PYQ-IUPAC and Isomerism

  • question_answer
    Which of the following compounds is not chiral?                                        [AIPMT 1998]

    A) \[DC{{H}_{2}}C{{H}_{2}}C{{H}_{2}}Cl\]

    B) \[C{{H}_{3}}C{{H}_{2}}CHDCl\]

    C) \[C{{H}_{3}}CHDC{{H}_{2}}Cl\]

    D) \[C{{H}_{3}}CHClC{{H}_{2}}D\]

    Correct Answer: A

    Solution :

    [a] Chiral carbon is that carbon whose all the four valencies are satisfied by four different groups. Due to absence of asymmetric (Crural) C—atom D — —  — molecule is not a chiral molecule.


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