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Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceAssertion–reasonEasyConceptual

JEE Main 27 June 2022, Shift 2, Chemistry Q67

Question 67 of 90 in this shift, Chemistry question 7 of 30, Section A.

Given below are two statements: one is labelled as **Assertion A** and the other is labelled as **Reason R**. **Assertion A:** Flourine forms one oxoacid. **Reason R:** Flourine has smallest size amongst all halogens and is highly electronegative. In the light of the above statements, choose the *most appropriate* answer from the options given below.
  1. (1)Both **A** and **R** are correct and **R** is the correct explanation of **A**.Official answer
  2. (2)Both **A** and **R** are correct but **R** is NOT the correct explanation of **A**.
  3. (3)**A** is correct but **R** is not correct.
  4. (4)**A** is not correct but **R** is correct.

Official answer

Option 1

NTA final key.

Chapter
The p-Block Elements
Topic
Group 17 & 18
Idea tested
Anomalous Properties of Fluorine

Same idea in other shifts

Asked 2× in all
  1. 27 Jan 2024, Shift 1 · Q65Element not showing variable oxidation state is :EasySingle 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.