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Using chemical reactions show that boron...

Using chemical reactions show that boron acts as an oxidising agent as well as a reducing agent.

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If B is heated with Mg in electric arc furnace magnesium boride is formed. Here, B acts as an oxidising agent. `3overset(0)Mg+2overset(0)Btooverset(+2)Mg_3overset(-3)B_2`
For reducing property see article no . 11.4.3.
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