NEET Sample Paper NEET Sample Test Paper-48

  • question_answer
    Which of the following imparts green colour to the burner flame?

    A) \[\operatorname{B}{{\left( OMe \right)}_{3}}\]                

    B) \[\operatorname{NaOMe}~\]

    C) \[\operatorname{Al}{{\left( O\,Pr \right)}_{3}}\]               

    D) \[\operatorname{Sn}{{\left( OH \right)}_{2}}\]

    Correct Answer: A

    Solution :

    \[\operatorname{B}{{\left( OMe \right)}_{3}}\] Only the vapours of triethylborate when ignited burns with a green edged flame. This form the basis for detecting borates and boric acid in a qualibative analysis.


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