NEET AIPMT SOLVED PAPER 2001

  • question_answer
                    A compound of molecular formula \[{{C}_{7}}{{H}_{16}}\] shows optical isomerism, compound will be:  

    A)                 2, 3-dimethyI pentane                  

    B)                 2, 2-dimethyl butane

    C)                 2-methyl hexane                                            

    D)                 none of the above

    Correct Answer: A

    Solution :

                    2, 3-dimethyl pentane                 \[C{{H}_{3}}-\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{CH}}\,-\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\overset{*}{\mathop{CH}}}\,-C{{H}_{2}}-C{{H}_{3}}\]                 shows the property of optical isomerism due to presence of an asymmetric \[\overset{*}{\mathop{C-}}\,\]atom.


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