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Chapter 9: Problem 40

Identify the compound which is the final product of Solvay process (a) ammonium carbonate (b) ammonium bicarbonate (c) sodium carbonate (d) sodium bicarbonate

Short Answer

Expert verified
Answer: (c) sodium carbonate

Step by step solution

01

Major steps of the Solvay process

The Solvay process consists of the following major steps: 1.1. Brine purification and ammonia absorption 1.2. Formation of ammonium bicarbonate 1.3. Formation of sodium bicarbonate 1.4. Formation of sodium carbonate
02

Chemical reactions in the Solvay process

Let's look at the chemical reactions occurring in each step: 2.1. Brine purification and ammonia absorption: NaCl (aq) + H2O (l) + NH3 (g) → NH4Cl (aq) + NaOH (aq) 2.2. Formation of ammonium bicarbonate: NH4Cl (aq) + NaOH (aq) + CO2 (g) → NH4HCO3 (aq) + NaCl (aq) 2.3. Formation of sodium bicarbonate: NH4HCO3 (aq) + NaCl (aq) → NH4Cl (aq) + NaHCO3 (s) 2.4. Formation of sodium carbonate (the final product): 2 NaHCO3 (s) → Na2CO3 (s) + H2O (g) + CO2 (g)
03

Identify the final product from the given options

According to the chemical reactions during the Solvay process, the final product is sodium carbonate (Na2CO3). Hence, the correct answer is: (c) sodium carbonate

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