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Question

In the balanced chemical reaction IO3+aI+bH+cH2O+dI2 a, b, c and d respectively correspond to

A
5, 6, 3, 3
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B
5, 3, 6, 3
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C
3, 5, 3, 6
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D
5, 6, 5, 5
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Solution

The correct option is A 5, 6, 3, 3
IO3+aI+bH+cH2O+dI2
Step 1 : I1I2 (oxidation)IO3I2 (reduction)
Step 2: 2IO3+12H+I2+6H2O
Step 3:2IO3+12j++10eI2+6H2O2II2+2e
Step 4: 2IO3+12H++10eI2+6H2O[2II2+2e]5
Step 5 : 2IO3+10I+12H+6I2+6H2OIO3+5I+6H+3I2+3H2O
On comparing, a = 5, b = 6, c = 3, d = 3

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