32 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
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
O (-2 in H₂O) becomes 0 in O₂, losing electrons.
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
Oxidation can involve hydrogen loss. In CH₃OH + O → HCHO + H₂O, CH₃OH loses hydrogen to form HCHO, indicating oxidation.
Ref: NCERT Class 11 Chemistry > Chapter 7: Redox Reactions > Topic: Redox Titrations and Equivalent Weight and Normality
S (-2 in H₂S) becomes 0 in S, losing electrons.
Ref: NCERT Class 11 Chemistry > Chapter 7: Redox Reactions > Topic: Redox Titrations and Equivalent Weight and Normality
Oxidation can involve hydrogen loss. In 2H₂S + O₂ → 2S + 2H₂O, H₂S loses hydrogen to form S, indicating oxidation.
Ref: NCERT Class 11 Chemistry > Chapter 7: Redox Reactions > Topic: Redox Titrations and Equivalent Weight and Normality
NiS contains S (-2 to +4 in SO₂) losing electrons; Ni (+2 to +2) unchanged, S is oxidized.
Ref: NCERT Class 11 Chemistry > Chapter 7: Redox Reactions > Topic: Redox Titrations and Equivalent Weight and Normality
Oxidation involves electron loss. K (0) becomes +1 in KNH₂, losing electrons, while N (-3) and H rearrange without oxidizing.
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
Tl (0) becomes +1 in TlI, losing electrons, while I (0 to -1) is reduced.
Ref: NCERT Class 11 Chemistry > Chapter 7: Redox Reactions > Topic: Redox Titrations and Equivalent Weight and Normality
