A) These cations should be tested in the sequence \[B{{a}^{2+}},\,S{{r}^{2+}},C{{a}^{2+}}\]
B) These cations should be tested in the sequence \[C{{a}^{2+}},S{{r}^{2+}}\,B{{a}^{2+}}\]
C) These cations should be tested in the sequence \[C{{a}^{2+}},\,B{{a}^{2+}}S{{r}^{2+}}\]
D) These cations can be tested in any sequence
Correct Answer: B
Solution :
These cations are analysed in the order,\[B{{a}^{2+}},\,\,S{{r}^{2+}}\]and \[C{{a}^{2+}}\].
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