નીચે પૈકી કોણ $K _{2} Cr _{2} O _{7}$ સાથે પ્રક્રિયા આપી શકે છે?
AIIMS 2019, Medium
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a $K _{2} Cr _{2} O _{7}$ being a strong oxidizing agent easily oxidizes $SO _{3}^{-2}$ to $SO_{4}^{-2} .$ The reaction is shown below.
$K _{2} Cr _{2} O _{7}+ SO _{3}^{-2} \rightarrow Cr ^{3+}+ SO _{4}^{-2}$
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