In Solvay process of manufacture of sodium carbonate, the by-product is:

N H_{4} C l

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N a H C O_{3}

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C a C l_{2}

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C O_{2}

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N H_{3}

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Solution

The correct option is D $C a C l_{2}$
In Solvay process of manufacture of sodium carbonate, $C a C l_{2}$ is obtained as a by-product in ammonia-recovery tower. Here following reactions take place,
$N H_{4} H C O_{3} + C a (O H)_{2} △ - \to N H_{3} + C a C O_{3} + 2 H_{2} O$
$C a (O H)_{2} + 2 N H_{4} C l △ - \to 2 N H_{3} + C a C l_{2} b y p r o d u c t + 2 H_{2} O$ .

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Q. The useful by-product, obtained in the Solvay process of manufacture of sodium carbonate, are

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Q. In manufacture of sodium carbonate from Solvay (or ammonia soda) process the raw material used is :

IN the synthesis of sodium carbonate, the recovery of ammonia is done by treating $N H_{4} C l$ with $C a (O H)_{2}$ The by product obtained in this process is
(a) $C a C l_{2}$ (b) NaCl (c) NaOH (d) $N a H C O_{3}$

Q. In the synthesis of sodium carbonate by solvay (or ammonia-soda) process, the recovery of ammonia is done by treating

N H_{4} C l

with

C a (O H)_{2}

. The by-product obtained in this process is:

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In Solvay process of manufacture of sodium carbonate, the by-product is:

The correct option is D CaCl2In Solvay process of manufacture of sodium carbonate, CaCl2 is obtained as a by-product in ammonia-recovery tower. Here following reactions take place,NH4HCO3+Ca(OH)2△−→NH3+CaCO3+2H2OCa(OH)2+2NH4Cl△−→2NH3+CaCl2byproduct+2H2O.