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Question

In the above reaction if A is NH4Cl and D is CO2 then B & C respectively are :


(A) +NaOHNaCl+NH3+H2O
NH3+CO2+H2O(B)
(B) +NaCl(C)+NH4Cl
(C) Na2CO3+H2O+(D)

A
NH4HCO3,NaHCO3
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B
NaHCO3,NH4HCO3
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C
(NH4)2CO3,Na2CO3
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D
Na2CO3,(NH4)2CO3
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Solution

The correct option is A NH4HCO3,NaHCO3
Ammonium chloride reacts with sodium hydroxide to form sodium chloride, ammonia and water.
NH4Cl+NaOHHeat−−NaCl+NH3+H2O(A)
Ammonia reacts with carbon dioxide and water to form ammonium bicarbonate.
NH3+CO2+H2ONH4HCO3(B)
Ammonium carbonate reacts with sodium chloride to form sodium bicarbonate and ammonium chloride.
NH4HCO3+NaClNaHCO3+NH4Cl(B)(C)
Sodium bicarbonate decomposes to give sodium carbonate, water and carbon dioxide.
2NaHCO3Na2CO3+H2O+CO2(C)(D)

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