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Question

The equivalent weight of KIO3 in the reaction
2Cr(OH)3+4OH+KIO32CrO24+5H2O+KI is

A
Mole wt.
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B
Mol. wt.6
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C
Mol. wt.2
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D
Mol. wt.3
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Solution

The correct option is B Mol. wt.6
Molecular weight6
The oxidation number changes from +5 to -1

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