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D and F Block Elements question

2024 · 9 Apr · Shift 1 · Q24
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D and F Block Elements question

2024 · 9 Apr · Shift 1 · Q24

JEE MainChemistryD and F Block ElementsNumerical+4 / −1
Number of colourless lanthanoid ions among the following is ‾\underline{\hspace{2cm}}​. Eu3+,Lu3+,Nd3+,La3+,Sm3+\mathrm{Eu}^{3+}, \mathrm{Lu}^{3+}, \mathrm{Nd}^{3+}, \mathrm{La}^{3+}, \mathrm{Sm}^{3+}Eu3+,Lu3+,Nd3+,La3+,Sm3+
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