The pair in which both actinides show +3 oxidation state only is · ABC26IN0175
Subject: Inorganic Chemistry · Chapter: Lanthanides and Actinides · Topic: Actinide Chemistry · Exam: CSIR NET 2020 · Marks: 2 · Difficulty: Medium
The pair in which both actinides show +3 oxidation state only is
(a)Ac and Lr
(b)Ac and No
(c)Cm and Bk
(d)Cm and Lr
Answer
Answer (as printed): A
Explanation
Ac shows only +3 oxidation state because it achieve nearest noble gas configuration of Rn. Lr shows only +3 oxidation state because it achieve fully filled [Rn] 5f14 configuration.
Explanation as extracted from the printed page; notation may be imperfect.