MCQ
Which metal has the highest melting point in the first transition series?
- AMn
- ✓Cr
- CFe
- DCu
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$(I)$ Cis $-[Co(NH_3)_2(en)_2]^{+3}$
$(II)$ Trans $-[Ir \,Cl_2\, (C_2O_4)_2]^{-3}$
$(III)$ $[Rh(en)_3]^{+3}$
$(IV)$ Cis $-[Ir(H_2O)_3Cl_3]$
Compound $'C'$ is