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Answers
Answer:
Sodium Carbonate is prepared by _ .
\begin{gathered}\huge{\orange{\boxed{\fcolorbox{lime}{cadetblue}{\pink{ANSWER}}}}} \\ \end{gathered}
ANSWER
☕ Sodium carbonate is prepared by passing carbon dioxide through ammonia that gives ammonium carbonate.
☕ Subsequently ammonium carbonate is converted to ammonium hydrogen carbonate that reacts with sodium chloride to precipitate out sodium hydrogen carbonate.
Sodium hydrogen carbonate later forms sodium carbonate.
SOLVAY's PROCESS ;-
☕ Carbon dioxide reacts with the dissolved ammonia to form ammonium carbonate followed by ammonium hydrogen carbonate.
\begin{gathered}\red\longrightarrow\:\bf\blue{2~NH_3~+~H_2O~+~CO_2~\longrightarrow\:(NH_4)_2CO_3~} \\ \end{gathered}
⟶2 NH
3
+ H
2
O + CO
2
⟶(NH
4
)
2
CO
3
\begin{gathered}\red\bullet\:\bf\purple{(NH_4)_2CO_3~+~H_2O~+~CO_2~\longrightarrow\:NH_4HCO_3~} \\ \end{gathered}
∙(NH
4
)
2
CO
3
+ H
2
O + CO
2
⟶NH
4
HCO
3
\begin{gathered}\red\bullet\:\bf\orange{NH_4HCO_3~+~NaCl~\longrightarrow\:NH_4Cl~+~NaHCO_3~} \\ \end{gathered}
∙NH
4
HCO
3
+ NaCl ⟶NH
4
Cl + NaHCO
3
Sodium hydrogen carbonate crystal separates. These are heated to give sodium carbonate.
\begin{gathered}\pink\bullet\:\bf\green{2NaHCO_3~\longrightarrow\:Na_2CO_3~+~CO_2~+~H_2O~} \\ \end{gathered}
∙2NaHCO
3
⟶Na
2
CO
3
+ CO
2
+ H
2
O