Which of the following arrangements represent increasing oxidation number of the central atom?

Which of the following statement(s) is/are not true about the following decomposition reaction.

$2{\mathrm{KClO}}_3\to 2\mathrm{KCl}+3{\mathrm{O}}_2$

Identify the correct statement (s) in relation to the following reaction:

$\mathrm{Zn}+2\mathrm{HCl}\to {\mathrm{ZnCl}}_2+{\mathrm{H}}_2$

Identify the correct statements with reference to the given reaction

${\mathrm{P}}_4+3{\mathrm{OH}}^{-}+3{\mathrm{H}}_2\mathrm{O}\to {\mathrm{PH}}_3+3{\mathrm{H}}_2{\mathrm{PO}}_2^{-}$