NEET Sample Paper NEET Sample Test Paper-22

  • question_answer
    Azo dyes are prepared from

    A)  Phenol            

    B)      Benzoic acid

    C)                   Aniline            

    D)       Benzaldehyde

    Correct Answer: A

    Solution :

    Phenols couples with benzenediazonium chloride in an alkaline solution to give \[p-\]hydroxyazobenzene as follows: Hence, the correct option is (a).


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