JEE Main 2023 · ChemistryMultiple choiceSingle correctEasyCalculation

JEE Main 8 April 2023, Shift 1, Chemistry Q80

Question 80 of 90 in this shift, Chemistry question 20 of 30, Section A.

In chromyl chloride, the number of d-electrons present on chromium is same as in (Given at no. of Ti : 22, V : 23, Cr : 24, Mn : 25, Fe : 26)

(1)Mn (VII)Official answer
(2)Fe (III)
(3)V (IV)
(4)Ti (III)

Official answer

Option 1

NTA final key.

Chapter: The d- and f-Block Elements
Topic: d-Block Elements
Idea tested: Electronic Configuration

Same idea in other shifts

Asked 4× in all

9 Apr 2024, Shift 2 · Q66The electronic configuration of Einsteinium is : (Given atomic number of Einsteinium = 99)MediumSingle correct
29 Jun 2022, Shift 1 · Q66The electronic configuration of Pt (atomic number 78) is :MediumSingle correct
25 Feb 2021, Shift 1 · Q39In which of the following pairs, the outer most electronic configuration will be the same ?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.