Read the passage given below and answer the following questions: 

The transition metals react with a number of non-metals like oxygen, nitrogen and halogens to form binary compounds. The first series of transition metal oxides are formed by reacting the metal with oxygen at high temperatures. Transition metals also form oxometallic salts like K₂Cr₂O₇ and KMnO₄. In fact, the transition metals show their highest oxidation state in these oxosalts. Both K₂Cr₂O₇ and KMnO₄ are formed by the fusion of their oxides with alkali. Both the dichromate and permanganate ions are strong oxidizing agents.