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Question

NaIO3 reacts with NaHSO3 according to equation
IO3+3HSO3I+3H++3SO24
The weight of NaHSO3 required to react with 100 mL of solution containing 0.68 g of NaIO3 is

A
5.2 g
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B
0.2143 g
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C
2.3 g
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D
None of the above
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Solution

The correct option is D None of the above
mEq. of NaHSO3= mEq. of NaIO3=N×V=0.68198×6×100 (I5++6eI+)
WNaHSO3MNaHSO3×2×1000=0.68198×6×1000
WNaHSO3=0.68×6×1000×104198×2×1000=1.072 g
Hence (d) is the correct answer.

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