S→SO2→SO3→H2SO4→BaSO4→BaO→Ba (OH) 2

Question

S→SO2→SO3→H2SO4→BaSO4→BaO→Ba (OH) 2

Answer 1

S + O2 = SO2
2SO2 + O2 = 2SO3
SO3 + H2O = H2SO4
H2SO4 + BaCl2 = BaSO4 + 2HCl
2BaSO4 + t = 2BaO + 2SO2 + O2
BaO + H2O = Ba(OH)2