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Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceSingle correctMediumApplication

JEE Main 25 July 2022, Shift 1, Chemistry Q66

Question 66 of 90 in this shift, Chemistry question 6 of 30, Section A.

The IUPAC nomenclature of an element with electronic configuration [Rn] 5f146d17s2[\mathrm{Rn}]\,5f^{14}6d^{1}7s^{2} is :
  1. (1)Unnilbium
  2. (2)Unnilunium
  3. (3)Unnilquadium
  4. (4)UnniltriumOfficial answer

Official answer

Option 4

NTA final key (2022 Session 2).

Chapter
Classification of Elements and Periodicity in Properties
Topic
Periodic Trends
Idea tested
IUPAC Nomenclature for Z > 100

Same idea in other shifts

Asked 4× in all
  1. 30 Jan 2024, Shift 1 · Q88If IUPAC name of an element is "Unununnium" then the element belongs to nth^{th} group of Periodic table. The value of n is ________.EasyNumerical value
  2. 3 Sep 2020, Shift 1 · Q32The atomic number of the element unnilennium is :EasySingle correct
  3. 6 Sep 2020, Shift 2 · Q46The atomic number of Unnilunium is ________.EasyNumerical value

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.