Q27 / 125 · BITSAT 2011 · Chemistry

Which of the following exhibit only+ 3 oxidation state?

A
$\mathrm{U}$
B
Th
Correct answer
C
$\mathrm{Ac}$
D
$\mathrm{Pa}$

Solution

$\mathrm{Ac}(89)=[\mathrm{Rn}]\left[6 d^{1}\right]\left[7 s^{2}\right]$

Hence, the correct answer is option: 'C'.

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