Verified Solution • 2025–26 Session moderate

QJEEM22Ch70ba: JEE Main 2022 Chemistry - Class 12 JEEM22Ch70ba Solution: The most common oxidation state of Lanthanoid elements is +3.…

The most common oxidation state of Lanthanoid elements is +3. Which of the following is likely to deviate easily from +3 oxidation state?

Multiple Choice Options

  • A Ce (At. No. 58)
  • B La (At. No. 57)
  • C Lu (At. No. 71)
  • D Gd (At. No. 64)

Step-by-Step Verified Solution

Ce → [Xe]4f1 5d1 6s2

Ce+4 → [xe] 4f° 5d° 6s°

Cerium in +4 oxidation state acquires inert gas configuration.

Related Learning Resources & Exam Preparation