sodium forms peroxide while lithium forms monoxide why? explain the case briefly.

Asked by  | 6th Oct, 2012, 05:48: PM

Expert Answer:

Lithium being very small in its group forms only oxide. It does not form peroxide. If it forms oxide the formula will be Li2O (oxidation state of oxygen is -2) while for peroxide state at drastic condition the formula will be Li2O2(oxidation state of oxygen is -1). In oxide there is direct bond between metal and oxygen while in peroxide –O-O- linkage will be present and metals are attached at the adjacent points.

Answered by  | 7th Oct, 2012, 01:29: PM

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