Among the oxides given below which are acidic? CrO 3 , Mn 2 O 7 , CuO, CO, SO 2

Chemistry · JEE Advanced · NTA Exams — p-Block Elements

1. Only SO₂
2. CrO₃, Mn₂O₇ and SO₂
3. Mn₂O₇ and SO₂
4. CO and SO₂

Answer

(B) CrO 3 , Mn 2 O 7 and SO 2

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