Chemistry · 2019
JEE Main · 8 April 2019, Shift 1 · Q46
The lanthanide ion that would show colour is:
The lanthanide ion that would show colour is :
Official answer
(2)
$\displaystyle \mathrm{Sm}^{3+}$
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JEE Main 2019 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.