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Saturday, 31 October

JEE Main 2023 · ChemistryMultiple choiceAssertion–reasonMediumConceptual

JEE Main 10 April 2023, Shift 2, Chemistry Q68

Question 68 of 90 in this shift, Chemistry question 8 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 : The energy required to form Mg2+\mathrm{Mg^{2+}} from Mg is much higher than that required to produce Mg+\mathrm{Mg^+} Reason R : Mg2+\mathrm{Mg^{2+}} is small ion and carry more charge than Mg+\mathrm{Mg^+} In the light of the above statements, choose the correct answer from the options given below.
  1. (1)Both A and R are true and R is the correct explanation of AOfficial answer
  2. (2)Both A and R are true but R is NOT the correct explanation of A
  3. (3)A is true but R is false
  4. (4)A is false but R is true

Official answer

Option 1

NTA final key.

Chapter
Classification of Elements and Periodicity in Properties
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 108 of the 174 JEE Main shifts held from 2017 to 2026.