Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET2023ChemistryRedox ReactionsActual

The correct option for a redox couple is

Options

  1. ABoth the reduced and oxidized forms involve same element
  2. BCathode and anode together
  3. CBoth are oxidised forms involving same element
  4. DBoth are reduced forms involving same element

Correct answer

A. Both the reduced and oxidized forms involve same element

Step-by-step solution

A redox couple is defined as having together the oxidised and reduced forms of a substance taking part in an oxidation or reduction half reaction.

Practice Redox Reactions on Quantrex Academy →

More from Redox Reactions

Calculate the oxidation number of sulfur in H ₂ SO ₄ . 2026Consider the following compounds : K O ₂, H ₂ O ₂ and H ₂ S O ₄ The oxidation state of the underlined elements in them are respectively, 2026What is the oxidation number of phosphorus in Mg ₂ P ₂ O ₇ ? 2026Identify oxidant and reductant, respectively, in the following reaction: Zn (s) + Cu ²⁺(aq) Zn ²⁺(aq) + Cu (s) 2026Which of the following is true regarding oxidation? 2026In a reaction, 2 H ₂ S + SO ₂ 2 H ₂ O + 3 S Identify the substance oxidized. 2026Predict the oxidation number of of 'C' in K ₂ C ₂ O ₄ and in CH ₂ Cl ₂ . 2026The oxidation process involves 2026 Full Redox Reactions list All NEET PYQs