Chemistry · 2026
JEE Main · 2 April 2026, Shift 1 · Q61
Which of the following sets includes all the species that will change the orange colour of K_2 Cr_2 O_7 in acidic medium?
Which of the following sets includes all the species that will change the orange colour of $\displaystyle \mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7$ in acidic medium ?
Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle \mathrm{Fe}^{2+}, \mathrm{Sn}^{2+}, \mathrm{I}^{-}, \mathrm{S}^{2-}$
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JEE Main 2026 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.