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Which of the following acts both s a reducing and an oxidizing agent?

Which of the following acts both s a reducing and an oxidizing agent?
  • A.
    H2
  • B.
    SO2
  • C.
    H2S
  • D.
    C
Correct Answer: Option B
Explanation

SO2 = i.e
In H2SO2 act as oxidizing agent
H2S + SO2 → 3S + 2H2O
Whereas in water SO2 acts as reducing agents H2O + SO2 H2SO23

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