MCQ
Which of the following molecule is paramagnetic
- AChlorine
- BNitrogen
- ✓Oxygen
- DHydrogen
${O_2} = \sigma {(1s)^2}{\sigma ^ * }{(1s)^2}\sigma {(2s)^2}{\sigma ^ * }{(2s)^2}$ $\sigma {(2{p_x})^2}\pi {(2{p_y})^2}\pi {(2{p_x})^2}{\pi ^ * }{(2{p_y})^1}{\pi ^ * }{(2{p_z})^1}$
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$(ii)\, CoBr · SO_4 · 5NH_3$
$(iii)\, FeCl_3 · 6H_2O$