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The answer is: Yes, it is a reduction-oxidation reaction
2 HNO2 + 2 H+ + 3 I- => 2 NO + I3- + 2 H2O
Oxidation state of N in HNO2 = +3
Oxidation state of N in NO = +2
Thus HNO2 is reduced to NO as oxidation state of N decreases.
Oxidation state of I in I- = -1
Oxidation state of I in I3- = -1/3
Thus I- is oxidized to I3- as oxidation state of I increases.
Solution
The answer is: Yes, it is a reduction-oxidation reaction
2 HNO2 + 2 H+ + 3 I- => 2 NO + I3- + 2 H2O
Oxidation state of N in HNO2 = +3
Oxidation state of N in NO = +2
Thus HNO2 is reduced to NO as oxidation state of N decreases.
Oxidation state of I in I- = -1
Oxidation state of I in I3- = -1/3
Thus I- is oxidized to I3- as oxidation state of I increases.

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The answer is Yes, it is a reduction-oxidation reaction2 HNO2 + 2.pdf

  • 1. The answer is: Yes, it is a reduction-oxidation reaction 2 HNO2 + 2 H+ + 3 I- => 2 NO + I3- + 2 H2O Oxidation state of N in HNO2 = +3 Oxidation state of N in NO = +2 Thus HNO2 is reduced to NO as oxidation state of N decreases. Oxidation state of I in I- = -1 Oxidation state of I in I3- = -1/3 Thus I- is oxidized to I3- as oxidation state of I increases. Solution The answer is: Yes, it is a reduction-oxidation reaction 2 HNO2 + 2 H+ + 3 I- => 2 NO + I3- + 2 H2O Oxidation state of N in HNO2 = +3 Oxidation state of N in NO = +2 Thus HNO2 is reduced to NO as oxidation state of N decreases. Oxidation state of I in I- = -1 Oxidation state of I in I3- = -1/3 Thus I- is oxidized to I3- as oxidation state of I increases.