15(A) Provide IUPAC names for the following complexes: (i) $\left[\mathrm{CoCl}\left(\mathrm{NH}_{3}\right)_{5}\right]$ (ii) $\mathrm{K}_{2}\left[\mathrm{PdCl}_{4}\right]$
(b)The magnetic moment of $\left[\mathrm{Mn}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]\left(\mathrm{NO}_{3}\right)_{2}$ is approximately $6.0 \mu_{\mathrm{B}}$. Find the number of unpaired electrons, show crystal field splitting and calculate the CFSE.