Select the number of incorrect reaction(s)  

$2KCl{O}_3+4HCl\to Euchlorine+2H_{2}O+2HCl$

$2N{H}_{4}Cl{O}_4\to N_2\uparrow +2H_{2}O+C{l}_2\uparrow +3O_2\uparrow$

$MnC{l}_2+N{a}_{2}HP{O}_4+N{H}_{4}OH\to MnN{H}_{4}P{O}_4\underset{N{H}_{4}OH}{\overset{Excessof}{\to }} {\left(Mn{\left(N{H}_3\right)}_6\right)}^{2+}+{\left(N{H}_{4}P{O}_4\right)}^{2-}$

$ZnC{l}_2+N{a}_{2}HP{O}_4+N{H}_{4}OH\to ZnN{H}_{4}P{O}_4\underset{N{H}_{4}OH}{\overset{Excessof}{\to }} {\left(Zn{\left(N{H}_3\right)}_4\right)}^{2+}+{\left(N{H}_{4}P{O}_4\right)}^{2-}$