In which of the following is the oxidation state of Mn lowest?
(A) `MnSO_4`
(B) `MnO_2`
(C) `Mn_3O_4`
(D) `Mn_2O_7`

With O highest possible oxidation state of Mn is

Arrange the following in the decreasing order of oxidation number of Mn : (i) KMnO_4 (ii) MnO_2 (iii) Mn_2O_3 (iv) Mn (v) K_2MnO_4

(a). Which compound among the following has the lowest oxidation number of Mn? KMnO_(4), K_(2)MnO_(4), MnO_(2) and Mn_(2)O_(3) (b). Which compound among the following has the higest oxidation number of P? PH_(3),H_(3)PO_(2),PCl_(3) and H_(3)PO_(4) (c ). Which compound among the following has the highest oxidation number of chlorine ? HClO_(4),HOCl, CIF_(3),HCIO_(3)and HCl

Which compound amongst the following gas the highest oxidation number of Mn? KMnO_(4), K_(2)MnO_(2), MnO_(2) and Mn_(2)O_(3)

Arrange the following in the increasing order of oxidation state of Mn: (i) Mn^(2+) (ii) MnO_(2) (iii) KMnO_(4) (iv) K_(2)MnO_(4)

Write oxidation number of Mn in "KMn"O_(4) .