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The d- and f-Block Elements — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryThe d- and f-Block Elements1 Mark
Question
Write equations showing the products formed when dichromate ion is reacted with hyrogen peroxide.
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Answer

$Cr _2 O _7^{2-}+4 H _2 O _2+2 \stackrel{+}{ H } \rightarrow 2 CrO _5+5 H _2 O$

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