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Friday, 9 October

JEE Main 2026 · ChemistryMultiple choiceSingle correctMediumConceptual

JEE Main 2 April 2026, Shift 2, Chemistry Q60

Question 60 of 75 in this shift, Chemistry question 10 of 25, Section A.

Given below are two statements: Statement I: Among Zn, Mn, Sc and Cu, the energy required to remove the third valence electron is highest for Zn and lowest for Sc. Statement II: The correct order of the following complexes in terms of CFSE is [Co(H2O)6]2+[Co(H_2O)_6]^{2+} < [Co(H2O)6]3+[Co(H_2O)_6]^{3+} < [Co(en)3]3+[Co(en)_3]^{3+}. In the light of the above statements, choose the correct answer from the options given below:
  1. (1)Both Statement I and Statement II are trueOfficial answer
  2. (2)Both Statement I and Statement II are false
  3. (3)Statement I is true but Statement II is false
  4. (4)Statement I is false but Statement II is true

Official answer

Option 1

NTA final key.

Chapter
The d- and f-Block Elements
Topic
d-Block Elements
Idea tested
Ionization Enthalpy Irregularities

Same idea in other shifts

Asked 2× in all
  1. 4 Apr 2025, Shift 2 · Q61The incorrect relationship in the following pairs in relation to ionisation enthalpies 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 42 of the 174 JEE Main shifts held from 2017 to 2026.