The pair in which both actinides show +3 oxidation state only is · ABC26IN1226
Subject: Inorganic Chemistry · Chapter: Lanthanides and Actinides · Topic: Lanthanides & Actinides – General · Exam: CSIR NET DEC 2019 · Marks: 2 · Difficulty: Easy
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: A ✓ checked by 4AB · confidence high
Explanation
Ac (f⁰) and Lr (f¹⁴) are locked at +3. Cm and Bk also show +4, and No prefers +2 (f¹⁴).
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