Hydrogen acts as an oxidising agent in the reaction with:

Determine the equivalent weight of the following ions;

(a) ${\mathrm{Na}}^{+} \left(\mathrm{b}\right) {\mathrm{Al}}^{3+} \left(\mathrm{c}\right) {\mathrm{NO}}^{+} \left(\mathrm{d}\right) {\mathrm{Cl}}^{-}$

(e)${\mathrm{CO}}_3^{2-} \left(\mathrm{f}\right) {\mathrm{SO}}_4^{2-} \left(\mathrm{g}\right) {\mathrm{PO}}_4^{3-}$

Determine the equivalent weights of the following salts;

$\left(\mathrm{a}\right) \mathrm{NaCl} \left(\mathrm{b}\right) {\mathrm{K}}_2{\mathrm{SO}}_4 \left(\mathrm{c}\right) {\mathrm{Ca}}_3({\mathrm{PO}}_4{)}_2$

Determine the equivalent weight of the following oxidising and reducing agents;

$\left(\mathrm{a}\right) {\mathrm{KMnO}}_4 (\mathrm{reacting} \mathrm{in} \mathrm{acidic} \mathrm{medium} {\mathrm{MnO}}_4^{-} \to {\mathrm{Mn}}^{2+})$

$\left(\mathrm{b}\right) {\mathrm{KMnO}}_4 (\mathrm{reacting} \mathrm{in} \mathrm{neutral} \mathrm{medium} {\mathrm{MnO}}_4^{-} \to {\mathrm{MnO}}_2)$