Question

write a note on self oxidetion -reduction of aldehyde with suitabal example..?

Answer 1

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The term oxidation - reduction reaction actually refers to two chemical reaction that always occur at same time. Oxidation - reduction reaction also referred to more simply as redox reaction. These can be defined as two ways :
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The simpler definition refers to reactions involving some forms of oxygen. As an example, pure iron can be produced from iron oxide in a blast furnace by the following reaction :
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3 C +2 Fe (2) O (3) -->