Uttarakhand PMT Uttarakhand PMT Solved Paper-2010

  • question_answer
    How many chiral carbon atoms are present in 2, 3, 4 - Trichloropentane?

    A)  Three          

    B)  Two

    C)  One           

    D)  Four

    Correct Answer: B

    Solution :

     The carbon which is bonded to four different atoms or group of atoms is called chiral carbon atom. It is generally indicated by asterisk as\[\overset{*}{\mathop{C}}\,\]. The structure of 2, 3, 4-tri chloropentane is given as \[{{H}_{3}}C\underset{\begin{smallmatrix}  | \\  Cl \end{smallmatrix}}{\mathop{\overset{*}{\mathop{C}}\,H}}\,\underset{\begin{smallmatrix}  | \\  Cl \end{smallmatrix}}{\mathop{CH}}\,\underset{\begin{smallmatrix}  | \\  Cl \end{smallmatrix}}{\mathop{\overset{*}{\mathop{C}}\,H}}\,C{{H}_{3}}\] Here, the number of chiral carbon atoms is two.


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