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  • By product in the formation of Na2CO3 by solvay process is :Option: 1 NaClOption

By product in the formation of Na2CO3 by solvay process is :

Option: 1

NaCl


Option: 2

NH3


Option: 3

NH4OH


Option: 4

CaCl2


Answers (1)

best_answer

As we learnt ,

Manufacture of Na2CO3 by solvay process -

Brine (NaCl), ammonia and carbon dioxide are used as raw materials and calcium chloride is formed as a by-product

The reactions are given below:

NH_{3}+CO_{2}+H_{2}O\rightarrow NH_{4}HCO_{3} \\NH_{4}HCO_{3}+NaCl\overset{30^{\cdot c}}{\rightarrow}NaHCO_{3}\downarrow +NH_{4}Cl \\NaHCO_{3}\overset{250^{\cdot C}}{\rightarrow} Na_{2}CO_{3}+H_{2}O+CO_{2}\\ 2NH_{4}Cl+Ca (OH)_{2}\rightarrow CaCl_{2}+2H_{2}O+2NH_{3}

Therefore, option(4) is correct.

Posted by

Ritika Harsh

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