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Common oxidation state of f-block elem...

Common oxidation state of f-block elements is III. The other stable oxidation state of `.^63Eu` and `.^65Tb` are respectively

A

II,IV

B

IV,II

C

II,V

D

V,II

Text Solution

Verified by Experts

The correct Answer is:
A
Common oxidation state of f-block elements is III `.^63Eu` contains `4f^7` electrons in 4f subshell.
Hence, the oxidation state is 2
`.^65T_6` contains `4f^9` electrons in 4f-subshell.
Hence, the oxidation state is 4.
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    A
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    B
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    C
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