26 public questions tagged with this topic.
KMnO 4 (Mn in +7 state) readily accepts electrons, making it a strong oxidant.
Ref: NCERT Class 12 Chemistry > Chapter 4: d and f Block Elements > Topic: Preparation and Properties of Potassium Dichromate and Permanganate
Cr 2 O 7 2− + 14H + + 6e − → 2Cr 3+ + 7H 2 O (E° = +1.33 V).
Ref: NCERT Class 12 Chemistry > Chapter 4: d and f Block Elements > Topic: Actinoids and Comparison of Lanthanoids and Actinoids
Reaction: 2H₂ + O₂ → 2H₂O . O₂ is reduced, so it’s the oxidizing agent.
Ref: NCERT Class 12 Chemistry > Chapter 2: Electrochemistry > Topic: Batteries - Primary Secondary and Fuel Cells
Reaction: 2H₂ + O₂ → 2H₂O . O₂ is reduced, so it’s the oxidizing agent.
Ref: NCERT Class 12 Chemistry > Chapter 2: Electrochemistry > Topic: Batteries - Primary Secondary and Fuel Cells
HNO₃ (N: +5) is reduced to NO (N: +2), oxidizing Sn (0 to +4).
Ref: NCERT Class 11 Chemistry > Chapter 7: Redox Reactions > Topic: Types of Redox Reactions - Combination Decomposition Displacement
The oxidizing agent is reduced. Cu (+2 in CuSO₄) becomes 0 in Cu, oxidizing Cr (0 to +3).
Ref: NCERT Class 11 Chemistry > Chapter 7: Redox Reactions > Topic: Types of Redox Reactions - Combination Decomposition Displacement
In 2Fe + 3SO₂ → Fe₂O₃ + 3S, SO₂ (S: +4 to 0) is reduced, oxidizing Fe (0 to +3).
Ref: NCERT Class 11 Chemistry > Chapter 7: Redox Reactions > Topic: Types of Redox Reactions - Combination Decomposition Displacement
In SO₃ + S → 2SO₂, SO₃ (S: +6 to +4) loses oxygen and is reduced, oxidizing S (0 to +4), no metal involved.
Ref: NCERT Class 11 Chemistry > Chapter 7: Redox Reactions > Topic: Redox Titrations and Equivalent Weight and Normality
The oxidizing agent is reduced. H₂O₂ (O: -1) gains electrons to form OH− (O: -2), oxidizing I− to I₂.
Ref: NCERT Class 11 Chemistry > Chapter 7: Redox Reactions > Topic: Redox Titrations and Equivalent Weight and Normality
In 3HNO₂ → HNO₃ + 2NO + H₂O, N (+3) in HNO₂ is oxidized to +5 in HNO₃ and reduced to +2 in NO, a disproportionation.
Ref: NCERT Class 11 Chemistry > Chapter 7: Redox Reactions > Topic: Oxidizing and Reducing Agents and Strength
The oxidizing agent is reduced. O₂ (0) gains electrons to become O₂²− (-1 in peroxide), oxidizing K.
Ref: NCERT Class 11 Chemistry > Chapter 7: Redox Reactions > Topic: Oxidizing and Reducing Agents and Strength
The oxidizing agent is reduced. S (0) gains electrons to become S (-2) in Na₂S, oxidizing Na (0 to +1).
Ref: NCERT Class 11 Chemistry > Chapter 7: Redox Reactions > Topic: Oxidizing and Reducing Agents and Strength
