Question
Asked Oct 3, 2019
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6NH2OH + 2Bi2Bi(OH)3 + 3N2H4



In the above reaction, what is the oxidation state change of nitrogen

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Expert Answer

Step 1

The oxidation state (OS) of an element corresponds to the number of electrons, e-, that an atom loses, gains, or appears to use when joining with other atoms in compounds. In determining the oxidation state of an atom, there are seven guidelines to follow:

  • The oxidation state of an individual atom is 0.
  • The total oxidation state of all atoms in a neutral species is 0 and in an ion is equal to the ion charge.
  • Group 1 metals have an oxidation state of +1 and Group 2 an oxidation state of +2
  • The oxidation state of fluorine is -1 in compounds
  • Hydrogen generally has an oxidation state of +1 in compounds
  • Oxygen generally has an oxidation state of -2 in compounds
  • In binary metal compounds, Group 17 elements have an oxidation state of -1, Group 16 elements of -2, and Group 15 elements of -3.
Step 2

Calculation for oxidation state of N in NH2OH and N2H4:

Let the oxid...

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NH20H N2H 2(x)+4(+1) 0 x+2(+1)+1-2)+1(+1) 0 2x+4 0 x+2-2 +1 0 2x -4 x+3-2 0 x -2 x+1 0 x -1

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