The D And F Block Elements Ques 73
73. Which of the following exhibit only +3 oxidation state?
[2012 M]
U
(b) $Th$
(c) $Ac$
(d) $Pa$
Show Answer
Solution:
- (c) $Ac(89)=[Rn][6 d^{1}][7 s^{2}]$
BETA
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