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4.Chemical Bonding and Molecular Structure
medium
Which of the following species would be expected paramagnetic
A
Copper crystals
B
$C{u^ + }$
C
$C{u^{ + + }}$
D
${H_2}$
Solution
(c)$C{u^{2 + }} = [A{r_{18}}]\,3{d^9}4{s^0}$ it has one unpaired electron so it is paramagnetic.
Standard 11
Chemistry
