Haloalkanes & Haloarenes · JEE Main previous year questions

2021 1 question

1. Q672021 · 1 Sept 2021 · Shift 2

   In the given chemical reaction, colors of the $\mathrm{F}{\mathrm{e}}^{2+}$ and $\mathrm{F}{\mathrm{e}}^{3+}$ ions, are respectively : $$5{\mathrm{Fe}}^{2+}+{\mathrm{MnO}}_4^{-}+8{\mathrm{H}}^{+}\to {\mathrm{Mn}}^{2+}+4{\mathrm{H}}_2\mathrm{O}+5{\mathrm{Fe}}^{3+}$$

   1. A.Yellow, Orange
   2. B.Yellow, Green
   3. C.Green, Orange
   4. D.Green, Yellow
   Show answer

   Answer: D