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Saturday, 31 October

JEE Main 2021 · ChemistryMultiple choiceSingle correctMediumConceptual

JEE Main 26 August 2021, Shift 1, Chemistry Q38

Question 38 of 90 in this shift, Chemistry question 8 of 30, Section A.

The incorrect statement is :
  1. (1)Cl2\mathrm{Cl_2} is more reactive than ClF.Official answer
  2. (2)F2\mathrm{F_2} is more reactive than ClF.
  3. (3)On hydrolysis ClF forms HOCl and HF.
  4. (4)F2\mathrm{F_2} is a stronger oxidizing agent than Cl2\mathrm{Cl_2} in aqueous solution.

Official answer

Option 1

NTA final key.

Chapter
The p-Block Elements
Topic
Group 17 & 18
Idea tested
Halogen Reactivity Trends

Same idea in other shifts

Asked 3× in all
  1. 2 Apr 2026, Shift 1 · Q60Given below are two statements : Statement (I) : Oxidising power of halogens decreases in the order F2>Cl2>Br2>I2\mathrm{F_2>Cl_2>Br_2>I_2}, which is…MediumTwo statements
  2. 25 Feb 2021, Shift 2 · Q34The correct order of bond dissociation enthalpy of halogens is :MediumSingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.