Chemistry · 2015
JEE Main · 10 April 2015, Shift 1 · Q60
The cation that will not be precipitated by H_2 S in the presence of dil HCl is:
The cation that will not be precipitated by $\displaystyle \mathrm{H}_2 \mathrm{~S}$ in the presence of dil HCl is :
Official answer
(4)
$\displaystyle \mathrm{Co}^{2+}$
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JEE Main 2015 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.