1.

पचयन न हो सके।ब लोहे की कील को कॉपर सल्फ़ेट के विलयनदल जाता है?याकलाप 1.10 से भिन्न द्विविस्थापन अभिक्रियाo अभिक्रियाओं में उपचयित तथा अपचंयितिi) 4Na(s)+ O,(g) - 2Na,0(s)1) CuO(s) + H,( — Culs) + Hy0(

Answer»

it is a redox reaction because in a reaction of this kind oxidation and reduction proceed simultaneously. Here copper acts as a reducing agent because it reduces water to hydrogen and in the process itself is oxidized to cupric oxide. Water is reduced because it loses oxygen whereas copper is oxidized as it gains oxygen. Loss of oxygen is reduction and gain of oxygen is oxidation.



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