When BrO(3)^(-) "ions reacts with" Br(2)...

When `BrO_(3)^(-) "ions reacts with" Br_(2) "is liberated. The equivalent mass of" Br_(2) "in this reaction is"`:

`(5M)/(8)`

`(5M)/(3)`

`(3M)/(5)`

`(4M)/(6)`

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20 " mL of " (M)/(60) KBrO_3 was reacted with a sample of SeO_(3)^(2-) 20 The Br_(2) thus evolved was removed and the excess of NaAsO_(2) The reaction involved are SeO_(3)^(2-)+BrO_(3)^(ɵ)+H^(o+)toSeO_(4)^(2-)+Br_(2)+H_(2)O .. (i) BrO_(3)^(ɵ)+ASO_(2)^(ɵ)+H_(2)OtoBr^(ɵ)+AsO_(4)^(3-)+H^(o+) ..(ii) [Mw(SeO_(3)^(2-))=79+48=127gmol^(-1)] Q. n-factors of BrO_(3)^(ɵ) ion in equations (i) and (ii) respectively are

20 " mL of " (M)/(60) KBrO_3 was reacted with a sample of SeO_(3)^(2-) 20 The Br_(2) thus evolved was removed and the excess of NaAsO_(2) The reaction involved are SeO_(3)^(2-)+BrO_(3)^(ɵ)+H^(o+)toSeO_(4)^(2-)+Br_(2)+H_(2)O .. (i) BrO_(3)^(ɵ)+ASO_(2)^(ɵ)+H_(2)OtoBr^(ɵ)+AsO_(4)^(3-)+H^(o+) ..(ii) [Mw(SeO_(3)^(2-))=79+48=127gmol^(-1)] Q. Excess of m" Eq of " BrO_(3)^(ɵ) in reaction (ii) is

NARENDRA AWASTHI-STOICHIOMETRY-Level 1 (Q.151 To Q.180)

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