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Carbonates of alkaline earth metal can be prepared by adding _______ to a solution of soluble salts of metals.

Option: 1

NH4 (HCO3)

 


Option: 2

NH4Cl

 


Option: 3

NH4OH

 


Option: 4

(NH4)2 CO3


Answers (1)

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As we learn

Formation of carbonates of alkaline earth metals -

Precipitated by addition of sodium or ammonium carbonate solution to a solution of a soluble salt of these metals

- wherein

(NH_{4})_{2}CO_{3}+CaCl_{2}\rightarrow 2NH_{4}Cl+CaCO_{3}

 

 

(NH4)2 CO3 + MX2 ð 2NH4X + MCO3

MCO3 – alkaline earth metal carbonate

MX2 – salt of alkaline earth metal

 

Posted by

Ajit Kumar Dubey

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