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Friday, 9 October

JEE Main 2023 · ChemistryMultiple choiceAssertion–reasonMediumConceptual

JEE Main 6 April 2023, Shift 1, Chemistry Q66

Question 66 of 90 in this shift, Chemistry question 6 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 : Loss of electron from hydrogen atom results in nucleus of ∼1.5×10−3\sim1.5\times10^{-3} pm size. Reason R : Proton (H+\mathrm{H^+}) always exists in combined form. 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
  2. (2)Both A and R are correct but R is NOT the correct explanation of AOfficial answer
  3. (3)A is correct but R is not correct
  4. (4)A is not correct but R is correct

Official answer

Option 2

NTA final key.

Chapter
Hydrogen
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

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 42 of the 174 JEE Main shifts held from 2017 to 2026.