MCQ
Correct order of ionic radius
- A$Te^{2-} > Br^-> K^+ > Cl^-$
- ✓$Te^{2-} > Br^-> Cl^-> K^+$
- C$Br^-> Te^{2-} > Cl^-> K^+$
- D$K^+ > Te^{2-} > Br^-> Cl^-$
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${{O}_{(g)}}+{{e}^{-}}=O_{(g)}^{-}\Delta {{H}^{o}}=-142\ kJ\,mo{{l}^{-1}}$
$O_{(g)}^{-}+{{e}^{-}}=O_{(g)}^{2-}\Delta {{H}^{o}}=844\ kJ\,mo{{l}^{-1}}$
$(I)$ cis $- [Co(NH_3)_2(en)_2]^{3+}$ $(II)$ trans $-[IrCl_2(C_2O_4)_2]^{3-}$
$(III)\, [Rh(en)_3]^{3+}$ $(IV)$ cis $-[Ir(H_2O)_3Cl_3$