Which of the following exhibit only +3 oxidation state?

U

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T h

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A c

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P a

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Solution

The correct option is C $A c$
All are actinoids and electronic configuration of $A c$ is so it shows only +3 oxidation state. Electronic configuration of actinium is $6 d^{1} 7 s^{2}$ . It has only 3 electrons available to lose.

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Similar questions

Which of the following exhibits only +3 oxidation state?

- 1

+ 1, + 3, + 5

+ 7

Consider the elements:

Cs, Ne, I and F

(a) Identify the element that exhibits only negative oxidation state.

(b) Identify the element that exhibits only postive oxidation state.

(d) Identify the element which exhibits neither the negative nor does the positive oxidation state.

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