Составить уравнения реакций к генетическим рядам 1.FeS → SO₂→SO3→ H2SO4→ MgSO4→ BaSO4 2.Са→ Ca(OH)2 → СаСО3 → CaCl2→ Cas (PO4)2. 3.CaSO → SO2← S→ FeS → H2S → KHS. 4.Cd→ CdO→ Cd(NO3)2 → Cd(OH)2 → CdSO. 5. FeCl2→ Fe(OH)2 → Fe(OH)3 → Fe2O3→ Fe2(SO4)3.

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Accepted Answer

$$ ext{FeS} + rac{3}{2} ext{O}_2 ightarrow ext{SO}_2 + ext{Fe}$$
$$2 ext{SO}_2 + ext{O}_2 xrightarrow{V_2O_5} 2 ext{SO}_3$$
$$ ext{SO}_3 + ext{H}_2 ext{O} ightarrow ext{H}_2 ext{SO}_4$$
$$ ext{H}_2 ext{SO}_4 + ext{MgO} ightarrow ext{MgSO}_4 + ext{H}_2 ext{O}$$
$$ ext{MgSO}_4 + ext{BaCl}_2 ightarrow ext{BaSO}_4 + ext{MgCl}_2$$
$$2 ext{Ca} + 2 ext{H}_2 ext{O} ightarrow 2 ext{Ca(OH)}_2 + ext{H}_2$$
$$ ext{Ca(OH)}_2 + ext{CO}_2 ightarrow ext{CaCO}_3 + ext{H}_2 ext{O}$$
$$ ext{CaCO}_3 + 2 ext{HCl} ightarrow ext{CaCl}_2 + ext{H}_2 ext{O} + ext{CO}_2$$
$$3 ext{CaCl}_2 + 2 ext{H}_3 ext{PO}_4 ightarrow ext{Ca}_3 ext{(PO}_4 ext{)}_2 + 6 ext{HCl}$$
$$ ext{CaSO}_3 xrightarrow{t} ext{CaO} + ext{SO}_2$$
$$ ext{S} + ext{Fe} xrightarrow{t} ext{FeS}$$
$$ ext{FeS} + 2 ext{HCl} ightarrow ext{H}_2 ext{S} + ext{FeCl}_2$$
$$ ext{H}_2 ext{S} + ext{KOH} ightarrow ext{KHS} + ext{H}_2 ext{O}$$
$$2 ext{Cd} + ext{O}_2 xrightarrow{t} 2 ext{CdO}$$
$$ ext{CdO} + 2 ext{HNO}_3 ightarrow ext{Cd(NO}_3 ext{)}_2 + ext{H}_2 ext{O}$$
$$ ext{Cd(NO}_3 ext{)}_2 + 2 ext{NaOH} ightarrow ext{Cd(OH)}_2 + 2 ext{NaNO}_3$$
$$ ext{Cd(OH)}_2 + ext{H}_2 ext{SO}_4 ightarrow ext{CdSO}_4 + 2 ext{H}_2 ext{O}$$
$$ ext{FeCl}_2 + 2 ext{NaOH} ightarrow ext{Fe(OH)}_2 + 2 ext{NaCl}$$
$$4 ext{Fe(OH)}_2 + ext{O}_2 + 2 ext{H}_2 ext{O} ightarrow 4 ext{Fe(OH)}_3$$
$$2 ext{Fe(OH)}_3 xrightarrow{t} ext{Fe}_2 ext{O}_3 + 3 ext{H}_2 ext{O}$$
$$ ext{Fe}_2 ext{O}_3 + 3 ext{H}_2 ext{SO}_4 ightarrow ext{Fe}_2 ext{(SO}_4 ext{)}_3 + 3 ext{H}_2 ext{O}$$