Payal Asked a Question
December 30, 2020 7:09 pmpts 30 pts
A solution of [Cro,l ion can be transformed to [CrO, solution by adding (A) H,SO (B) H,O, (C) NaOH (D) NaySO
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  • Dinesh khalmaniya thankyou
    option C Explanation- The chromate ion (yellow colour) in acidic medium changes to dichromate ionCr2​O72−​ (orange - red colour). In alkaline medium, reverse happens. In solution,...
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    Dinesh khalmaniya
    got it Payal?
  • Suman Kumar thankyou
    see option C is correct
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  • Priyanshu kumar Best Answer
    In alkaline medium, the dichromate ion is converted to the chromate ion. In acidic medium, the dichromate ion is converted to the chromate ion.
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    Priyanshu kumar
    option C is correct