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One gram of Na(3)AsO(4) is boiled with e...

One gram of `Na_(3)AsO_(4)` is boiled with excess of solid `KI` in presence of strong `HCl`. The iodine evolved is absorbed in `KI` solution and titrated against `0.2 N` hyposolution. Assuming the reaction to be
`AsO_(4)^(3-)+2H^(+)+2I^(-) rarr AsO_(3)^(2-)+H_(2)O+I_(2)`,
calculate the volume of arsenate consumed. [Atomic weight of `As=75`]

A

48.1 mL

B

38.4 mL

C

24.7 mL

D

30.3 mL

Text Solution

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The correct Answer is:
A
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