Question

Cho dãy phản ứng sau

A---> B + C + D

A + NaCl ---> E + F

E ---> G + C + D

E + NaOH ---> G + D

F + Ca(OH)2 ---> H + B + D

G + Ca(OH)2 ---> I + NaOH

E + Ca(OH)2 ---> I + NaOH + D

G + C + D ---> E

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Answer 1

NH₄HCO₃ → NH₃ + CO₂ + H₂O

A......................B........C........D

NH₄HCO₃ + NaCl → NaHCO₃ + NH₄Cl

A....................................E................F

NaHCO₃ → Na₂CO₃ + CO₂ + H₂O

E....................G................C......D

NaHCO₃ + NaOH → Na₂CO₃ + H₂O

E..................................G..............D

2NH₄Cl + Ca(OH)₂ → CaCl₂ + 2NH₃ + 2H₂O

F.......................................H...........B........D

Na₂CO₃ + Ca(OH)₂ → CaCO₃ + 2NaOH

G.....................................I

NaHCO₃ + Ca(OH)₂ → CaCO₃ + 2H₂O + NaOH

E........................................I.............D

Na₂CO₃ + CO₂ + H₂O → 2NaHCO₃

G..................C......D.............E

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