BCECE Engineering BCECE Engineering Solved Paper-2006

  • question_answer
    Which of the following radicals gives the apple green flame during flame test?

    A) \[B{{a}^{2+}}\]                 

    B)  \[S{{r}^{2+}}\]

    C)  \[C{{a}^{2+}}\]

    D)         \[C{{r}^{3+}}\]

    Correct Answer: A

    Solution :

    When paste of salt in cone. HCl, is burnt on a spetchula, the following coloured flame appears for different radicals \[B{{a}^{2+}}-\]apple green \[S{{r}^{2+}}-\]crimson red \[C{{a}^{2+}}-\]brick red \[N{{a}^{+}}-\]olden yellow


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