Question

Осуществите превращения, Zn → ZnS → H2S → S → SO2 → SO3 → H2SO4 → Na2SO4

Answer 1

Zn+S=ZnS
ZnS+H2=H2S+Zn
H2S+Cl2=2HCl+S
S+O2=SO2
2SO2+O2=2SO3
SO3+H2O=H2SO4
H2SO4+NaOH=Na2SO4+H2O