Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEETChemistryRedox Reactions

Which reagent is responsible for giving an intense blue color with starch in the method of Iodometry?

Options

  1. ACu2+(aq)
  2. BI 2 (aq)
  3. CS 2 O 3 2- ions
  4. DKI

Correct answer

B. I 2 (aq)

Step-by-step solution

Iodine (I 2 ) gives an intense blue color with starch in the method described.

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