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What is the oxidation state of nitrogen in NH4+?

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Question: What is the oxidation state of nitrogen in NH4+?

Options:

  1. -3
  2. +1
  3. +3
  4. +5

Correct Answer: -3

Solution: 

In NH4+, nitrogen has an oxidation state of -3.

What is the oxidation state of nitrogen in NH4+?

Practice Questions

Q1
What is the oxidation state of nitrogen in NH4+?
  1. -3
  2. +1
  3. +3
  4. +5

Questions & Step-by-Step Solutions

What is the oxidation state of nitrogen in NH4+?
Correct Answer: -3
  • Step 1: Identify the chemical formula, which is NH4+. This means there is one nitrogen (N) atom and four hydrogen (H) atoms.
  • Step 2: Know that hydrogen typically has an oxidation state of +1.
  • Step 3: Since there are four hydrogen atoms, calculate the total oxidation state contributed by hydrogen: 4 H atoms × +1 = +4.
  • Step 4: The overall charge of the NH4+ ion is +1.
  • Step 5: Set up the equation for the oxidation states: Oxidation state of N + Total oxidation state of H = Overall charge.
  • Step 6: Substitute the known values into the equation: Oxidation state of N + 4 = +1.
  • Step 7: Solve for the oxidation state of nitrogen: Oxidation state of N = +1 - 4 = -3.
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