CBSE COMPLEMENTARY MATERIAL|Exercise UNIT TEST|8 Videos
s-BLOCK ELEMENTS
CBSE COMPLEMENTARY MATERIAL|Exercise UNIT TEST|4 Videos
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What is the oxidation state of N in HNO_(3) ?
What is the oxidation state of nitrogen in \(HNO_{3}\)
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In the conversion fo Br_2 to BrO_3^(-) , the oxidation state of Br changes from.
In hot alkaline solution, disproportionates to Br^(-) and BrO_(3)^(-) . 3Br_(2) + 6OH^(-) to 5Br(-) + BrO_(3)^(-) + 3H_(2)O Hence, equivalent weight of Br2 is (molecular weight = M)
36 " mL of " 0.5 M Br_(2) solution when made alkaline undergoes complete disproportionation into Br^(ɵ) and BrO_(3)^(ɵ) . The resulting solution requried 45 " mL of " As (III) solution to reduce BrO_(3)^(ɵ) to Br^(ɵ) . Given that as (III) is oxidised to As (V), what is the molarity of As (III) solution?
CBSE COMPLEMENTARY MATERIAL-REDOX REACTIONS -UNIT TEST
