J & K CET Engineering J and K - CET Engineering Solved Paper-2004

  • question_answer
    Which is most basic?                   

    A)  \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\]

    B) \[({{C}_{6}}{{H}_{5}}N{{H}_{2}})\]

    C)  \[C{{H}_{3}}N{{H}_{2}}\]

    D)  \[{{(C{{H}_{3}})}_{2}}NH\]

    Correct Answer: D

    Solution :

     Aliphatic amines are more basic than aromatic amines. Further, secondary amines are more basic than primary amine due to greater \[+\,I\] effect of two methyl group. Hence, \[{{\text{(C}{{\text{H}}_{\text{3}}}\text{)}}_{\text{2}}}\text{NH}\] is the most basic among these.           


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