Question

in a reaction between an acid and metal carbonate nod salt is formed identify the acid and the metal carbonate write the equation also.​

Answer 1

Answer:

(a) When an acid reacts with a metal carbonate, then a salt, carbon dioxide gas and water are produced.

Example: When dilute hydrochloric acid reacts with sodium carbonate, then sodium chloride, carbon dioxide gas and water are formed.

    Na2CO3(s)+2HCl(aq)→2NaCl(aq)+CO2(g)+H2O(I)

(b). 

(i) When carbon dioxide gas is passed through lime water for a short time then lime water turns milky.

   Ca(OH)2(aq)+CO2(g)→CaCO3(s)+H2O(l)

Calcium hydroxide    Corbon     Calcium carbonate  Water

(Lime water)              dioxide           (White ppt.)              

                                                (Make lime water milky)

(ii) When carbon dioxide gas is passed through lime water for a considerable time then lime water solution becomes clear.

CaCO3(s)+CO2(g)+H2O(l)→Ca(HCO3)2(aq)

Answer 2

Answer:

) When an acid reacts with a metal carbonate, then a salt, carbon dioxide gas and water are produced.

Example: When dilute hydrochloric acid reacts with sodium carbonate, then sodium chloride, carbon dioxide gas and water are formed.

Na

2

CO

3

(s)+2HCl(aq)→2NaCl(aq)+CO

2

(g)+H

2

O(I)

Explanation:

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