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    ankara55t's Avatar
    ankara55t Posts: 53, Reputation: 2
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    #1

    Jan 16, 2010, 03:55 PM
    Why do some acids and bases affect a chromate compound and others do not?
    Why do some acids and bases affect K2Cr2O4 and others do not?


    I am referring to CH3COOH, K2SO4, KOH, C2H5OH, Ca(OH)2 and NH3. As well, why does NH3 act like a base?
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Jan 17, 2010, 09:22 AM

    potassium chromate (VI) is yellow and will remain yellow except in the presence of H^+ ions... as far as I know.

    You have examples of what bases do that? Or which do not?
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