volume strength of 3.57 solution of H2O2 is
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Hydrogen peroxide is a very, very weak acid, so a 0.1 M solution should have a pH of about 6.4 (compare this to pH2.9 for ethanoic acid) - as Michael Flynn explains. However hydrogen peroxide's main activity is as an oxidising agent and as such an effective bleaching agent:
H2O2 + 2H+ + 2e- → 2H2O
Acidity (H+) helps this reaction to go forwards. If the electrons are removed from a pigment it is often the case that the oxidised pigment will be white.
H2O2 + 2H+ + 2e- → 2H2O
Acidity (H+) helps this reaction to go forwards. If the electrons are removed from a pigment it is often the case that the oxidised pigment will be white.
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Explanation:Hydrogen peroxide is a very, very weak acid, so a 0.1 M solution should have a pH of about 6.4 (compare this to pH2.9 for ethanoic acid) - as Michael Flynn explains. However hydrogen peroxide's main activity is as an oxidising agent and as such an effective bleaching agent:
H2O2 + 2H+ + 2e- → 2H2O
Acidity (H+) helps this reaction to go forwards. If the electrons are removed from a pigment it is often the case that the oxidised pigment will be white.
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