Science, asked by Anonymous, 5 months ago

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Answered by Anonymous
1

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

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