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標題: concentrated sulphuric acid [打印本頁]

作者: 小霞的fans 時間: 25/11/2009 05:09 PM
標題: concentrated sulphuric acid
concentrated sulphuric acid is both dehydrating and oxidizing.illustrate this statement with the action of concentrated sulphuric acid on glucose(C6H12O6).write balanced equationsfor the reactions involved.

concentrated sulphuric acid
我淨係知道dehydrating 果條係C6H12O6--------------------------)6C(s)+6H2O

oxidizing果條係點0.0 .. 謝謝

作者: inthomaspy 時間: 25/11/2009 10:07 PM

concentrated sulphuric acid is both dehydrating and oxidizing.illustrate this statement with the action of concentrated sulphuric acid on glucose(C6H12O6).write balanced equations for the reactions in ...
小霞的fans 發表於 25/11/2009 05:09 PM

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It will further oxidize C(s) formed into CO2(g)
C(s) + 2 H2SO4(l) --> CO2(g) + 2 SO2(g) + 2 H2O(l)
Since oxidation number of C increases from 0 (C) to +4 (C in CO2),
concentrated sulphuric acid thus is an oxidizing agent

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