JEE Main & Advanced Sample Paper JEE Main Sample Paper-38

  • question_answer An organic compound is treated with \[NaN{{O}_{2}}\] and dil. \[HCl\]at \[{{0}^{o}}C\]. The resulting solution is added to an alkaline solution of \[\beta \] -naphthol where by a brilliant red dye is produced. It shows the presence of                                  

    A)  \[-N{{O}_{2}}\] group         

    B)  aromatic \[-N{{H}_{2}}\] group  

    C)  \[-CON{{H}_{2}}\] group     

    D)  aliphatic \[-N{{H}_{2}}\] group

    Correct Answer: B

    Solution :

     \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}+NaN{{O}_{2}}+HCl\xrightarrow[{{0}^{o}}C]{}{{C}_{6}}{{H}_{5}}N=NCl\]

adversite


You need to login to perform this action.
You will be redirected in 3 sec spinner

Free
Videos