Chemistry · 2021
JEE Main · 16 March 2021, Shift 2 · Q39
Fe x_2 and Fe y_3 are known when x and y are:
$\displaystyle \mathrm{Fe} x_2$ and $\displaystyle \mathrm{Fe} y_3$ are known when $\displaystyle x$ and $\displaystyle y$ are:
Official answer
(2)
$\displaystyle x=\mathrm{F}, \mathrm{Cl}, \mathrm{Br}, \mathrm{I} \text { and } y=\mathrm{F}, \mathrm{Cl}, \mathrm{Br}$
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JEE Main 2021 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.