NEET AIPMT SOLVED PAPER 1998

  • question_answer
                                    Which of the following compounds is not chiral?                                                              

    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 :

                    Chiral carbon is that carbon whose all the four valencies are satisfied by four different groups. Due to absence of asymmetric (Crural) C- atom                 \[D-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{2}}Cl\]                 molecule is not a chiral molecule


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