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Question
Which of the following will happen when a little hydrogen peroxide is added to a solution of ferrous sulphate?
Options
Colour disappears
An electron is added to \[\ce{Fe^2+}\]
Hydrogen is evolved
An electron is lost by \[\ce{Fe^2+}\]
MCQ
Solution
An electron is lost by \[\ce{Fe^2+}\]
Explanation:
\[\ce{2Fe^2+ + H2O2 + 2H+ → 2Fe^3+ + 2H2O}\]
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Preparation of Hydrogen Peroxide
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