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Redox Reactions — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryRedox Reactions2 Marks
Question
A freshly cut apple is almost white but turns brown after some time, why?
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Answer

Apple contains $\mathrm{Fe}^{2+}$ which get oxidised to $\mathrm{Fe}^{3+}$ which is brown in colours. Apple turns brown due to oxidation of $\mathrm{Fe}^{2+}$ to $\mathrm{Fe}^{3+}$

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