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What is the oxidation state of sulfur in H2SO4?

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Question: What is the oxidation state of sulfur in H2SO4?

Options:

  1. 0
  2. +4
  3. +6
  4. -2

Correct Answer: +6

Solution: 

In H2SO4, the oxidation state of sulfur is +6.

What is the oxidation state of sulfur in H2SO4?

Practice Questions

Q1
What is the oxidation state of sulfur in H2SO4?
  1. 0
  2. +4
  3. +6
  4. -2

Questions & Step-by-Step Solutions

What is the oxidation state of sulfur in H2SO4?
Correct Answer: +6
  • Step 1: Identify the chemical formula of sulfuric acid, which is H2SO4.
  • Step 2: Determine the oxidation states of the other elements in the compound.
  • Step 3: Hydrogen (H) has an oxidation state of +1. Since there are 2 hydrogen atoms, their total contribution is +2.
  • Step 4: Oxygen (O) has an oxidation state of -2. There are 4 oxygen atoms, so their total contribution is -8.
  • Step 5: Set up the equation for the total oxidation states: (+2 from H) + (oxidation state of S) + (-8 from O) = 0.
  • Step 6: Simplify the equation: +2 + oxidation state of S - 8 = 0.
  • Step 7: Solve for the oxidation state of sulfur: oxidation state of S = 8 - 2 = +6.
  • Step 8: Conclude that the oxidation state of sulfur in H2SO4 is +6.
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