what happens when benzene diazonium chloride Reacts with H3PO2, heat
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The diazonium is replaced by a hydrogen atom, that is, benzene would be formed. This reaction is usually done to use NO2 or NH2 as directing groups, which can be removed later. ... Phosphonic acid(H3PO2) gets oxidised to H3PO3 and Benzene diazonium chloride gets reduced to benzene..
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