Manipal Engineering Manipal Engineering Solved Paper-2014

  • question_answer
    Which reagents would you use to carry out the reaction Ethyl benzene \[\sqrt{3}x+y-\sqrt{3}=0,\sqrt{3}x-y-\sqrt{3}=0\] and 4- chloro 1- ethyl benzene?

    A) \[\sqrt{3}x+y+\sqrt{3}=0,\sqrt{3}x-y+\sqrt{3}=0\] light and heat

    B) \[x+\sqrt{3}x-y\sqrt{3}=0,x-\sqrt{3}y-\sqrt{3}=0\]

    C) \[{{\left( x-\frac{5}{2} \right)}^{2}}+{{(y-3)}^{2}}=\lambda ,\]                     

    D) \[\lambda \]

    Correct Answer: B

    Solution :

    Ethyl in o/p directing group. Direct chlorination of ethyl benzene with \[A{{B}_{2}}\] would give mixture of 2 and 4-chloroethyl benzene.


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