Chemistry · 2021
JEE Main · 24 February 2021, Shift 2 · Q38
The incorrect statement among the following is:
The incorrect statement among the following is :
Official answer
(4)
Red colour of ruby is due to the presence of $\displaystyle \mathrm{Co}^{3+}$
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JEE Main 2021 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.