The dand fblock elements - Result Question 32

####32. Which one of the following elements shows maximum number of different oxidation states in its compounds?

[1998]

(a) $Eu$

(b) $La$

(c) $Ge$

(d) $Am$

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Solution:

  1. (d) $Eu-+2,+3$

$ La-+3 $

$ \begin{aligned} & Gd-+3 \\ & Am=+2,+3,+4,+5,+6 \end{aligned} $



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