| LIST I | LIST II | ||
| A. | \(HCl - ZnCl_2\) | I. | Reducing agent |
| B. | \(LiAlH_4\) | II. | Grignard reagent |
| C. | PCC | III. | Oxidising agent |
| D. | Ethyl magnesium bromide | IV. | Lucas reagent |
Consider the following compounds: K$_2$O$_2$, H$_2$O$_2$, and H$_2$SO$_4$
The oxidation states of the underlined elements in them are, respectively: