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Which of the following exhibits only +3 ...

Which of the following exhibits only +3 oxidation state?

A

U

B

Th

C

Ac

D

Pa

Text Solution

Verified by Experts

The correct Answer is:
C
`Ac = [Rn]6d^1 7s^2` show only +3 oxidation state. Removing a single electron from 6d orbital is quite easy and it will provide more stability. Other elements of group III B Sc, Y, La also show +3 oxidation state.
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