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12th Class Chemistry Sample Paper Chemistry Sample Test Paper-2

  • question_answer
      In what respect do prontosil and salvarsan resemble. Is these any resemblance between azo dye and protosil? Explain.                                                                                                                                                                          [2]

    Answer:

        (?As==As?)  linkage  present  in  salvarsan resembles (?N=N?) linkage in prontosil.    [1] Prontosil and azo dye both have (?N==N?) azo group.                                                          [1]


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