JEE Main & Advanced JEE Main Paper (Held on 7 May 2012)

  • question_answer
    Copper wire test for halogens is known as   JEE Main Online Paper (Held On 07 May 2012)

    A) Duma's Test     

    B)                        Beilstein' s Test

    C)                        Liebig'sTest        

    D)                        Lassigne's Test

    Correct Answer: B

    Solution :

                    Beilstein'stest : Organic compounds containing halogens when heated over Cu wire loop give blue or green colour flame due to formation of volatile copper halides.


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