Oxidation-reduction reactions

Exercise 3

The product of the following reaction.. $4Na+O_2$$2Na_2O$ ..is a ionic substance. What are the formulas of the ions in that product ? What are the partial equations of the half-reactions ? Complete the vocabulary (oxidised, reduced, oxidation, reduction, oxidant, reductant)

The product of the following reaction.. $2Al+3F_2$$2AlF_3$ ..is a ionic substance. What are the formulas of the ions in that product ? What are the partial equations of the half-reactions ? Complete the vocabulary (oxidised, reduced, oxidation, reduction, oxidant, reductant)

The product of the following reaction.. $Mg+O_2$$2MgO$ ..is a ionic substance. What are the formulas of the ions in that product ? What are the partial equations of the half-reactions ? Complete the vocabulary (oxidised, reduced, oxidation, reduction, oxidant, reductant)

The product of the following reaction.. $2K+Cl_2$$2KCl$ ..is a ionic substance. What are the formulas of the ions in that product ? What are the partial equations of the half-reactions ? Complete the vocabulary (oxidised, reduced, oxidation, reduction, oxidant, reductant)

Ions: $Na^+$ and $O^{2-}$

$4Na$ $-$ $4e^-$$4Na^+$ | ............ $O_2$ $+$ $4e^-$$2O^{2-}$ | ............ $Na$ is ............. It is ............. $O_2$ is ............. It is .............

Ions: $Al^{3+}$ and $F^{-}$

$2Al$ $-$ $6e^-$$2Al^{3+}$ | ............ $3F_2$ $+$ $6e^-$$6F^-$ | ............ $F_2$ is ............. It is ............. $Al$ is ............. It is .............

Ions: $Mg^{2+}$ and $O^{2-}$

$2Mg$ $-$ $4e^-$$2Mg^{2+}$ | ............ $O_2$ $+$ $4e^-$$2O^{2-}$ | ............ $Mg$ is ............. It is ............. $O_2$ is ............. It is .............

Ions: $K^+$ and $Cl^-$

$2K$ $-$ $2e^-$$2K^+$ | ............ $Cl_2$ $+$ $2e^-$$2Cl^-$ | ............ $O_2$ is ............. It is ............. $Na$ is ............. It is .............