Inorganic Chemistry Questions

Stability of the species ${\text{Li}}_2$, ${\text{Li}}_2^{-}$ and ${\text{Li}}_2^{+}$ increases in the order of:

Which of the following is the wrong statement?

Four successive members of the first row transition elements are listed below with atomic numbers. Which one of them is expected to have the highest $E_{{\text{M}}^{3+}/{\text{M}}^{2+}}^0$ value?

Which one of the following molecules is expected to exhibit diamagnetic behaviour?

Which of the following arrangements does not represent the correct order of the property stated against it?

Which of the following complex species is not expected to exhibit optical isomerism?

Which of the following represents the correct order of increasing first ionization enthalpy for $\text{Ca}$, $\text{Ba}$, $\text{S}$, $\text{Se}$ and $\text{Ar}$?

Which of the following exists as covalent crystals in the solid state?

In which of the following pairs of molecules/ions, both the species are not likely to exist?