In the given chemical reaction, colors of the${\mathrm{Fe}}^{2+}$ and ${\mathrm{Fe}}^{3+}$ ions, are respectively :

$5{\mathrm{Fe}}^{2+}+{\mathrm{MnO}}_4^{-}+8{\mathrm{H}}^{+}\to {\mathrm{Mn}}^{2+}+4{\mathrm{H}}_2\mathrm{O}+5{\mathrm{Fe}}^{3+}$

• A

  Yellow, Green
• B

  Yellow, Orange
• C

  Green, Orange
• Correct answer
  D

  Green, Yellow

Hence, the correct answer is option: 'D'.