MCQ
When $4d$ orbital is complete, the newly entering electrons goes in to
- A$5f$
- B$5d$
- ✓$5p$
- D$6d$ orbital
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$(I)\,K_3 [Fe(CN_6)]$ $(II)\, [Ni(CO)_4]^0$ $(III)\, [Cr(NH_3)_6]^{3+}$ $(IV)\, [Mn(CN)_6]^{4-}$
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