Question detail
What is the oxidation state of sulfur in H₂SO₄?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Oxidation, reduction and redox equations
Question
- A. +6
- B. +4
- C. 0
- D. -2
Answer
+6
Explanation
In H₂SO₄, the oxidation state of sulfur is +6. This can be determined by balancing the oxidation states of hydrogen (+1) and oxygen (-2) in the compound.
Common mistake
Oxidation State Confusion
Students often confuse oxidation with reduction, incorrectly stating that oxidation is a decrease in oxidation state.
Remember that oxidation is defined as an increase in oxidation state. For example, in the reaction of zinc with copper sulfate, zinc goes from an oxidation state of 0 to +2, indicating oxidation.
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