Which of the following chemical reactions depicts the oxidizing behaviour of H2SO4?

Question

Which of the following chemical reactions depicts the oxidizing behaviour of H₂SO₄?

NaCl + H₂SO₄ $\to$ NaHSO₄ + HCl

2PCl₅ + H₂SO₄ $\to$ 2POCl₃ + 2HCl + SO₂Cl₂

2HI + H₂SO₄ $\to$ I₂ + SO₂ + 2H₂O

Ca(OH)₂ + H₂SO₄ $\to$ CaSO₄ + 2H₂O

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