RAJASTHAN PMT Rajasthan - PMT Solved Paper-2000

  • question_answer
    Rusting of iron m moist air involves:

    A)  loss of electron by \[Fe\]

    B)  gain of electron by \[Fe\]

    C)  hydration of \[Fe\]

    D)  neither gain nor loss electron by \[Fe\]

    Correct Answer: A

    Solution :

    \[4Fe+3{{O}_{2}}\xrightarrow{{}}2F{{e}_{2}}{{O}_{3}}\] \[Fe\] change into \[F{{e}^{2+}},\] then loss of electron by \[Fe\].


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