The oxidation state of Cromium in the compound `Cr_2O_3` is +3: What is the oxidation state of Cromium in the compound `CrO_3`?

Find the oxidation state of iron in FeCl_3 .

The oxidation state of Cromium in the compound Cr_2O_3 is +3: Write the subshell electronic configuration fo Cromium in Cr_2O_3 and CrO_3 . (Atomic numbr of Cr-24).

Find the oxidation state of sodium in Na_2O_2

The oxidation state of 'N' in 'H N_3' is

The maximum oxidation state shown by Mn in its compound is.

A compound of vanadium pentoxide (V_2O_5) is used as catalyst: What is the oxidation state of vanadium in this compound?

What is the oxidation state of Cu in Cu_2O . [-2, +2, +1, -1]

Two compounds of iron are given. FeSo_4, Fe_2(SO_4)_3 (The oxidation state of SO_4 -2 ) a. Identify the compound in which iron shows +2 oxidation state. b. Which of these compound posses Fe^3+ ions. c. write the subshell electronic configuration of Fe^3+ ions d. Give reason for the various oxidation states of transition elements.

Write the formula of the compound in which the metal is in +7 oxidation state.