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Give reason: Aniline gets coloured on s...

Give reason: Aniline gets coloured on standing in air for a long time.

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Aniline gets coloured on standing in air for a long time. Why? Or Why does aniline turn blackish brown in on open air.

When oil and fats are oxidised or even allowed to stand in air for a long time , they become ……….. .

Knowledge Check

  • Phenol is a colourless liquid but on keeping it in air for long time it converts into brown colour due to

    A
    Air oxidation into p-benzoquinone
    B
    Air oxidation into quinol
    C
    Air oxidation into o-benzoquinone
    D
    Air oxidant into m-benzoquinone

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    It is recommened to use air tight container for storing oil for long time.

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