Home/
Competitive Exams/
JEE Main & Advanced/
Chemistry/
p-Block Elements/
Question 760010
JEE Chemistry · Hard

p-Block Elements: Oxyacids MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

Timer-based practiceDetailed answer reviewMobile-friendly flow
OxyacidsHardQuestion 760010

Question

Acid strength among oxychlorine acids follows:
  1. A
    HClO₄ > HClO₃ > HClO₂ > HClO
    Correct
  2. B
    HClO > HClO₂ > HClO₃ > HClO₄
  3. C
    All equal
  4. D
    HClO₃ > HClO₄ > HClO₂ > HClO

Correct answer

HClO₄ > HClO₃ > HClO₂ > HClO

Explanation

More oxygen atoms on central Cl = higher oxidation state of Cl = greater electron withdrawal from O−H bond = stronger acid. HClO₄ (Cl = +7) is the strongest of the oxychlorine acids.

Review p-Block Elements notesStart timed chapter practice