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JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2011

  • question_answer
        The hydrocarbon which does not decolourise alkaline\[KMn{{O}_{4}}\]solution and also does not give any precipitate with ammonia Cal silver nitrate is

    A)  acetylene          

    B)  benzene

    C)  propyne             

    D)  butyne-1

    Correct Answer: B

    Solution :

                    Benzene is resonance stabilized and hence, does not react with alkaline\[KMn{{O}_{4}}\]and it has no acidic hydrogen. Therefore, it does not react with ammoniacal silver nitrate solution.


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