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. \[\text{B}{{\text{a}}^{2+}}-\] apple green \[\text{S}{{\text{r}}^{\text{2+}}}-\] crimson red \[\text{C}{{\text{a}}^{\text{2+}}}-\] brick red \[\text{N}{{\text{a}}^{\text{+}}}-\] golden yellow
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