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D and F Block Elements question

2024 · 30 Jan · Shift 2 · Q22
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D and F Block Elements question

2024 · 30 Jan · Shift 2 · Q22

JEE MainChemistryD and F Block ElementsNumerical+4 / −1
Number of metal ions characterized by flame test among the following is ‾\underline{\hspace{2cm}}​. Sr2+,Ba2+,Ca2+,Cu2+,Zn2+,Co2+,Fe2+\mathrm{Sr}^{2+}, \mathrm{Ba}^{2+}, \mathrm{Ca}^{2+}, \mathrm{Cu}^{2+}, \mathrm{Zn}^{2+}, \mathrm{Co}^{2+}, \mathrm{Fe}^{2+}Sr2+,Ba2+,Ca2+,Cu2+,Zn2+,Co2+,Fe2+
Numerical answer
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