Chemistry · 2022
JEE Main · 29 July 2022, Shift 2 · Q69
When borax is heated with CoO on a platinum loop, blue coloured bead formed is largely due to
When borax is heated with CoO on a platinum loop, blue coloured bead formed is largely due to
Official answer
(2)
$\displaystyle \mathrm{Co}\left(\mathrm{BO}_2\right)_2$
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JEE Main 2022 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.