Manganese achieves its hightest oxidation state in its compound

Manganese achieves its maximum oxidation state in its compound :

Oxygen exhibits positive oxidation state in its compounds with

Mn exhibits large number of oxidation states in its compounds: Which is the highest oxidation state? Name an industrially important compound you have studied in. which Mn is in its highest oxidation state. How is that compound manufactured?

Which element forms highest stable oxidation state in its compounds?

The highest oxidation state of Manganese is

Which element forms least oxidation state in its compounds?

Which of the following halogen does not exhibit positive oxidation state in its compounds?