" Which of the following is not oxidized by "o_(3)

Which one of the following is not oxidized by O_(3) ? State the reason : KI,FeSO_(4),K_(2)MnO_(4),KMnO_(4)

Which fo the following will not be oxidized by O_3 ?

Which of the following can not be oxidized by H_2O_2 ?

Which of the following can be oxidized by H_(2)O_(2) ?

Which of the following is amphoteric oxide ? Mn_(2)O_(7), CrO_(3), Cr_(2)O_(3), CrO, V_(2)O_(3), V_(2)O_(4)